spectro_radiometer.grc

<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.13'?>
<flow_graph>
  <timestamp>Sat Mar  5 16:49:05 2016</timestamp>
  <block>
    <key>options</key>
    <param>
      <key>author</key>
      <value></value>
    </param>
    <param>
      <key>window_size</key>
      <value>3200,2799</value>
    </param>
    <param>
      <key>category</key>
      <value>Custom</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>description</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(8, 8)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>generate_options</key>
      <value>qt_gui</value>
    </param>
    <param>
      <key>hier_block_src_path</key>
      <value>.:</value>
    </param>
    <param>
      <key>id</key>
      <value>spectro_radiometer</value>
    </param>
    <param>
      <key>max_nouts</key>
      <value>0</value>
    </param>
    <param>
      <key>qt_qss_theme</key>
      <value></value>
    </param>
    <param>
      <key>realtime_scheduling</key>
      <value></value>
    </param>
    <param>
      <key>run_command</key>
      <value>{python} -u {filename}</value>
    </param>
    <param>
      <key>run_options</key>
      <value>prompt</value>
    </param>
    <param>
      <key>run</key>
      <value>True</value>
    </param>
    <param>
      <key>sizing_mode</key>
      <value>fixed</value>
    </param>
    <param>
      <key>thread_safe_setters</key>
      <value></value>
    </param>
    <param>
      <key>title</key>
      <value>Spectral and Radiometry Receiver</value>
    </param>
    <param>
      <key>placement</key>
      <value>(0,0)</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_label</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.get_decln(ui_decln,decfile,tp_pacer)</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>formatter</key>
      <value>None</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(152, 2164)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@0:1,1,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>actual_dec_label</value>
    </param>
    <param>
      <key>label</key>
      <value>Actual DEC</value>
    </param>
    <param>
      <key>type</key>
      <value>real</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(24, 1904)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@1:1,0,1,3</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>ang</value>
    </param>
    <param>
      <key>label</key>
      <value>Phase Angle Adjust</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>-180</value>
    </param>
    <param>
      <key>step</key>
      <value>2</value>
    </param>
    <param>
      <key>stop</key>
      <value>180</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>slider</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(336, 396)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>anno_status</value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.do_annotation(ira,declination,baseline,annotation,srate*0.8,abw,ifreq,srate,prefix)</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_entry</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>""</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(376, 2452)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@0:2,1,1,2</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>annotation</value>
    </param>
    <param>
      <key>label</key>
      <value>Quick Annotation</value>
    </param>
    <param>
      <key>type</key>
      <value>string</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(888, 172)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>baseline_clear_status</value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.baseline_clearer(clear_baseline)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(736, 172)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>baseline_set_status</value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.baseline_setter(set_baseline)</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_push_button</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(496, 2144)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@0:0,1,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>clear_baseline</value>
    </param>
    <param>
      <key>label</key>
      <value>Clear Baseline</value>
    </param>
    <param>
      <key>pressed</key>
      <value>1</value>
    </param>
    <param>
      <key>released</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>int</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(416, 268)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>clk_deriv</value>
    </param>
    <param>
      <key>value</key>
      <value>None if clock in ["none", "default"] else clock</value>
    </param>
  </block>
  <block>
    <key>variable_function_probe</key>
    <param>
      <key>block_id</key>
      <value>corr_probe</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>function_args</key>
      <value></value>
    </param>
    <param>
      <key>function_name</key>
      <value>level</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(792, 356)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>corr_probed</value>
    </param>
    <param>
      <key>value</key>
      <value>complex(0.0,0.0)</value>
    </param>
    <param>
      <key>poll_rate</key>
      <value>fft_hz</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(480, 452)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>curr_dx</value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.curr_diff(fft_probed,enable_normalize,fftsize,0)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(480, 364)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>curr_dx2</value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.curr_diff(fft_probed,enable_normalize,fftsize,1)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(480, 525)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>curr_tp_vect</value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.get_tp_vect(tp_pacer)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1920, 2388)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>custom_window</value>
    </param>
    <param>
      <key>value</key>
      <value>sinc*np.hamming(nphase*nchan)</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_check_box</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>True</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>false</key>
      <value>0</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(368, 2340)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@1:2,0,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>dcblock</value>
    </param>
    <param>
      <key>label</key>
      <value>Enable DC block</value>
    </param>
    <param>
      <key>true</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>int</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_chooser</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>dcg</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(184, 1904)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@1:0,2,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>dcgain</value>
    </param>
    <param>
      <key>label0</key>
      <value>1e2</value>
    </param>
    <param>
      <key>label1</key>
      <value>1e3</value>
    </param>
    <param>
      <key>label2</key>
      <value>1e4</value>
    </param>
    <param>
      <key>label3</key>
      <value>1e5</value>
    </param>
    <param>
      <key>label4</key>
      <value>1e6</value>
    </param>
    <param>
      <key>label</key>
      <value>Detector Gain</value>
    </param>
    <param>
      <key>labels</key>
      <value>[]</value>
    </param>
    <param>
      <key>num_opts</key>
      <value>5</value>
    </param>
    <param>
      <key>option0</key>
      <value>100</value>
    </param>
    <param>
      <key>option1</key>
      <value>1000</value>
    </param>
    <param>
      <key>option2</key>
      <value>10000</value>
    </param>
    <param>
      <key>option3</key>
      <value>100000</value>
    </param>
    <param>
      <key>option4</key>
      <value>1000000</value>
    </param>
    <param>
      <key>options</key>
      <value>[0, 1, 2]</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.QHBoxLayout</value>
    </param>
    <param>
      <key>type</key>
      <value>int</value>
    </param>
    <param>
      <key>widget</key>
      <value>radio_buttons</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1072, 444)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>declination</value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.get_decln(ui_decln,decfile,tp_pacer)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1600, 1796)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>ebw</value>
    </param>
    <param>
      <key>value</key>
      <value>(samp_rate*0.8)/1.0e6</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(48, 541)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>enable_normalize</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>variable_function_probe</key>
    <param>
      <key>block_id</key>
      <value>fft2_probe</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>function_args</key>
      <value></value>
    </param>
    <param>
      <key>function_name</key>
      <value>level</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(784, 256)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fft2_probed</value>
    </param>
    <param>
      <key>value</key>
      <value>[-100.0]*fftsize</value>
    </param>
    <param>
      <key>poll_rate</key>
      <value>fft_hz</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>integration</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(552, 2400)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@0:1,2,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fft_avg</value>
    </param>
    <param>
      <key>label</key>
      <value>Int. Time (Sec.)</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>0.5</value>
    </param>
    <param>
      <key>step</key>
      <value>0.5</value>
    </param>
    <param>
      <key>stop</key>
      <value>300</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(688, 316)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fft_hz</value>
    </param>
    <param>
      <key>value</key>
      <value>15</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(616, 108)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fft_log_status</value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.fft_log(fft_probed,fft2_probed,corr_probed,ifreq,samp_rate,longitude,enable_normalize,prefix,declination,rfilist,dcgain,fft_avg,mode,zerotime,decfile,tp_interval,spec_interval,fft_hz)</value>
    </param>
  </block>
  <block>
    <key>variable_function_probe</key>
    <param>
      <key>block_id</key>
      <value>fft_probe</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>function_args</key>
      <value></value>
    </param>
    <param>
      <key>function_name</key>
      <value>level</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(928, 252)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fft_probed</value>
    </param>
    <param>
      <key>value</key>
      <value>[-100.0]*fftsize</value>
    </param>
    <param>
      <key>poll_rate</key>
      <value>fft_hz</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(248, 1684)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fftrate</value>
    </param>
    <param>
      <key>value</key>
      <value>float(samp_rate/fftsize)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(912, 684)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fincr</value>
    </param>
    <param>
      <key>value</key>
      <value>(samp_rate/1.0e6)/fftsize</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value>Fringe rate</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1032, 1660)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>frate</value>
    </param>
    <param>
      <key>value</key>
      <value>(baseline/wlam)*7.3e-5*math.cos(math.radians(ui_decln))</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_label</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>1.0/frate</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>formatter</key>
      <value>None</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(24, 2332)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@1:0,1,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fringe_label</value>
    </param>
    <param>
      <key>label</key>
      <value>Fringe Period(secs)</value>
    </param>
    <param>
      <key>type</key>
      <value>real</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(952, 1164)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>frotate</value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.fringe_stop (tp_pacer, ra, decln, longitude, latitude, baseline, fstop, ang, ifreq)</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_check_box</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>False</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>false</key>
      <value>False</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(344, 2128)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@1:2,1,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fstop</value>
    </param>
    <param>
      <key>label</key>
      <value>Fringe Stop</value>
    </param>
    <param>
      <key>true</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>int</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1608, 1484)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>gmdate</value>
    </param>
    <param>
      <key>value</key>
      <value>"%04d%02d%02d" % (ltp.tm_year, ltp.tm_mon, ltp.tm_mday)</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_entry</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>frequency</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(496, 2060)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@0:0,2,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>ifreq</value>
    </param>
    <param>
      <key>label</key>
      <value>Frequency</value>
    </param>
    <param>
      <key>type</key>
      <value>real</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_entry</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>gain</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(24, 2164)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@0:0,3,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>igain</value>
    </param>
    <param>
      <key>label</key>
      <value>RF Gain</value>
    </param>
    <param>
      <key>type</key>
      <value>real</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_entry</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>ra</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(24, 2420)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@0:2,0,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>ira</value>
    </param>
    <param>
      <key>label</key>
      <value>Target Right Ascension</value>
    </param>
    <param>
      <key>type</key>
      <value>real</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(904, 500)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>km_incr</value>
    </param>
    <param>
      <key>value</key>
      <value>(((samp_rate/fftsize)/ifreq)*299792)*-1.0</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1560, 1412)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>ltp</value>
    </param>
    <param>
      <key>value</key>
      <value>time.gmtime(time.time())</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1056, 1076)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>mode_map</value>
    </param>
    <param>
      <key>value</key>
      <value>{"total" : "Continuum Power", "tp" : "Continuum Power", "diff" : "Differential/Added Power", "differential" : "Differential/Added Power", "correlator" : "Cross  Power", "interferometer": "Cross Power", "corr" : "Cross Power"}</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1920, 2452)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>nchan</value>
    </param>
    <param>
      <key>value</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1888, 2524)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>nphase</value>
    </param>
    <param>
      <key>value</key>
      <value>2</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1600, 1652)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>pchanwidth</value>
    </param>
    <param>
      <key>value</key>
      <value>samp_rate/fbsize</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1504, 1732)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>pparam</value>
    </param>
    <param>
      <key>value</key>
      <value>prefix+"-"+gmdate+"-psr.params" if psrmode != 0 else "/dev/null"</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1608, 1732)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>pparamstr</value>
    </param>
    <param>
      <key>value</key>
      <value>"%.2f,%.2f,%.4f,%.4f,%.4f,%d\n" % (psrate/1e3, pchanwidth/1e3, ifreq/1.0e6,samp_rate/1.0e6,ebw,fbsize)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1504, 1652)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>psrate</value>
    </param>
    <param>
      <key>value</key>
      <value>samp_rate/fftsize</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1616, 1556)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>psrfilename</value>
    </param>
    <param>
      <key>value</key>
      <value>prefix+"-"+gmdate+"-psr.rfb8" if psrmode != 0 else "/dev/null"</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(16, 132)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>value</key>
      <value>int(srate)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1752, 2572)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>save_filter</value>
    </param>
    <param>
      <key>value</key>
      <value>open("poopy.dat", "w").write(str(list(custom_window)))</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_label</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.lmst_string(time_pacer,longitude)</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>formatter</key>
      <value>None</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(24, 2252)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@1:0,0,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>secondary_lmst_label</value>
    </param>
    <param>
      <key>label</key>
      <value>LMST</value>
    </param>
    <param>
      <key>type</key>
      <value>string</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_push_button</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(536, 1944)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@0:0,0,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>set_baseline</value>
    </param>
    <param>
      <key>label</key>
      <value>Set Baseline</value>
    </param>
    <param>
      <key>pressed</key>
      <value>1</value>
    </param>
    <param>
      <key>released</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>int</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1752, 2388)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>sinc</value>
    </param>
    <param>
      <key>value</key>
      <value>np.sinc(sinc_sample_locations/np.pi)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1752, 2452)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>sinc_sample_locations</value>
    </param>
    <param>
      <key>value</key>
      <value>np.arange(-np.pi*4/2.0, np.pi*4/2.0, (np.pi/nchan)*(4/nphase))</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1024, 584)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>spec_labels</value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.get_spec_labels(mode)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(904, 564)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>start_km</value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.doppler_start(ifreq,dfreq,samp_rate)</value>
    </param>
  </block>
  <block>
    <key>variable_function_probe</key>
    <param>
      <key>block_id</key>
      <value>fft_probe</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>function_args</key>
      <value></value>
    </param>
    <param>
      <key>function_name</key>
      <value>level</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(928, 356)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>time_pacer</value>
    </param>
    <param>
      <key>value</key>
      <value>[-100.0]*fftsize</value>
    </param>
    <param>
      <key>poll_rate</key>
      <value>2</value>
    </param>
  </block>
  <block>
    <key>variable_function_probe</key>
    <param>
      <key>block_id</key>
      <value>fft_probe</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>function_args</key>
      <value></value>
    </param>
    <param>
      <key>function_name</key>
      <value>level</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1064, 296)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>tp_pacer</value>
    </param>
    <param>
      <key>value</key>
      <value>[-100.0]*fftsize</value>
    </param>
    <param>
      <key>poll_rate</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_entry</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>decln</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(24, 2084)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@0:1,0,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>ui_decln</value>
    </param>
    <param>
      <key>label</key>
      <value>Declination</value>
    </param>
    <param>
      <key>type</key>
      <value>real</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_label</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>spectro_helper.lmst_string(time_pacer,longitude)</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>formatter</key>
      <value>None</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(368, 2252)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@0:1,3,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>variable_qtgui_label_0</value>
    </param>
    <param>
      <key>label</key>
      <value>Local Mean Sidereal Time</value>
    </param>
    <param>
      <key>type</key>
      <value>string</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_chooser</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(552, 2252)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@0:2,3,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>wchan</value>
    </param>
    <param>
      <key>label0</key>
      <value>0</value>
    </param>
    <param>
      <key>label1</key>
      <value>1</value>
    </param>
    <param>
      <key>label2</key>
      <value>High</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>label</key>
      <value>Waterfall Chan</value>
    </param>
    <param>
      <key>labels</key>
      <value>[]</value>
    </param>
    <param>
      <key>num_opts</key>
      <value>2</value>
    </param>
    <param>
      <key>option0</key>
      <value>0</value>
    </param>
    <param>
      <key>option1</key>
      <value>1</value>
    </param>
    <param>
      <key>option2</key>
      <value>1</value>
    </param>
    <param>
      <key>option3</key>
      <value>3</value>
    </param>
    <param>
      <key>option4</key>
      <value>4</value>
    </param>
    <param>
      <key>options</key>
      <value>[0, 1, 2]</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.QHBoxLayout</value>
    </param>
    <param>
      <key>type</key>
      <value>int</value>
    </param>
    <param>
      <key>widget</key>
      <value>combo_box</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1072, 180)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>win</value>
    </param>
    <param>
      <key>value</key>
      <value>fft.window.blackmanharris(fftsize)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1072, 236)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>winsum</value>
    </param>
    <param>
      <key>value</key>
      <value>sum(map(lambda x:x*x, win))</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value>Wavelength in meters</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1168, 1660)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>wlam</value>
    </param>
    <param>
      <key>value</key>
      <value>299792000.0/ifreq</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1504, 1796)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>wrstatus</value>
    </param>
    <param>
      <key>value</key>
      <value>open(pparam, "w").write(pparamstr)</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1136, 2176)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>abw</value>
    </param>
    <param>
      <key>label</key>
      <value>Analog  bandwidth</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
    </param>
    <param>
      <key>value</key>
      <value>4.0e6</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1384, 2176)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>antenna</value>
    </param>
    <param>
      <key>label</key>
      <value>Antenna</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>string</value>
    </param>
    <param>
      <key>value</key>
      <value>RX2</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1104, 2276)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>baseline</value>
    </param>
    <param>
      <key>label</key>
      <value>Baseline length</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
    </param>
    <param>
      <key>value</key>
      <value>20</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1360, 2068)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>bbgain</value>
    </param>
    <param>
      <key>label</key>
      <value>Baseband Gain</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
    </param>
    <param>
      <key>value</key>
      <value>5</value>
    </param>
  </block>
  <block>
    <key>blocks_add_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>curr_dx</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(512, 604)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_add_const_vxx_0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_add_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>curr_tp_vect[0]</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(816, 1004)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_add_const_vxx_0_0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>3600</value>
    </param>
  </block>
  <block>
    <key>blocks_add_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>curr_tp_vect[1]</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(792, 1084)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_add_const_vxx_0_0_0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>3600</value>
    </param>
  </block>
  <block>
    <key>blocks_add_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>curr_dx2</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(512, 684)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_add_const_vxx_0_1</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_add_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Add a teensy weensy value here
To keep from SIGFPE
When stream is all 0s.</value>
    </param>
    <param>
      <key>const</key>
      <value>1.0e-14</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(552, 1252)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_add_const_vxx_1</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_add_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1704, 480)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_add_xx_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>2</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_add_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(2512, 2048)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_add_xx_1</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>2</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_add_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(2560, 2440)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_add_xx_1_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>2</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_complex_to_mag_squared</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(72, 1644)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_complex_to_mag_squared_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_complex_to_mag_squared</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(576, 1740)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_complex_to_mag_squared_0_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_delay</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>delay</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(2088, 2036)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_delay_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_ports</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_delay</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>delay</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(2136, 2428)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_delay_0_1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_ports</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_keep_m_in_n</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(160, 1268)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_keep_m_in_n_0</value>
    </param>
    <param>
      <key>m</key>
      <value>2*fftsize</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>n</key>
      <value>3*fftsize</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>offset</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_keep_m_in_n</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(464, 1356)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_keep_m_in_n_0_0</value>
    </param>
    <param>
      <key>m</key>
      <value>2*fftsize</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>n</key>
      <value>3*fftsize</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>offset</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>blocks_keep_one_in_n</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1176, 12)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_keep_one_in_n_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>n</key>
      <value>(samp_rate/fftsize)/50</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_keep_one_in_n</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1176, 116)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_keep_one_in_n_0_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>n</key>
      <value>(samp_rate/fftsize)/50</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_keep_one_in_n</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1368, 884)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_keep_one_in_n_1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>n</key>
      <value>int(samp_rate/fft_hz)</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_conjugate_cc</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>The basic correlation operation
Conjugate multiply of the two streams</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1480, 1272)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_conjugate_cc_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Allow for phase-adjust on one side</value>
    </param>
    <param>
      <key>const</key>
      <value>frotate</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1008, 1252)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>[0.0]*fftsize</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(312, 605)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_1</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>When != 0, this turns on DC blocking</value>
    </param>
    <param>
      <key>const</key>
      <value>dcblock</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1384, 1092)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_2</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>1.0 if wchan == 0 else 0</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1480, 476)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_3</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>1.0  if wchan == 1 else 0.0</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1472, 532)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_3_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>custom_window[0:nchan]</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(2264, 2036)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_4</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>custom_window[-nchan:]</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(2264, 1956)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_4_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>custom_window[-nchan:]</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(2312, 2348)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_4_0_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>custom_window[0:nchan]</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(2312, 2428)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_4_2</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_nlog10_ff</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1376, 4)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_nlog10_ff_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
    <param>
      <key>k</key>
      <value>-20*math.log10(fftsize)-10.0*math.log10(winsum/fftsize)-20*math.log10(1)</value>
    </param>
    <param>
      <key>n</key>
      <value>10</value>
    </param>
  </block>
  <block>
    <key>blocks_nlog10_ff</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1384, 108)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_nlog10_ff_0_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
    <param>
      <key>k</key>
      <value>-20*math.log10(fftsize)-10.0*math.log10(winsum/fftsize)-20*math.log10(1)</value>
    </param>
    <param>
      <key>n</key>
      <value>10</value>
    </param>
  </block>
  <block>
    <key>blocks_null_source</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>bus_conns</key>
      <value>[[0,],]</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(472, 900)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_null_source_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_outputs</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>vlen</key>
      <value>3600</value>
    </param>
  </block>
  <block>
    <key>blocks_stream_to_vector</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(264, 1380)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_stream_to_vector_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_items</key>
      <value>fftsize</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_stream_to_vector</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(680, 1364)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_stream_to_vector_0_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_items</key>
      <value>fftsize</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_sub_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1624, 888)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_sub_xx_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>2</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_throttle</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(656, 916)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_throttle_0</value>
    </param>
    <param>
      <key>ignoretag</key>
      <value>True</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>samples_per_second</key>
      <value>40</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>vlen</key>
      <value>3600</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(984, 2480)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>clock</value>
    </param>
    <param>
      <key>label</key>
      <value>Clock Source</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>string</value>
    </param>
    <param>
      <key>value</key>
      <value>default</value>
    </param>
  </block>
  <block>
    <key>blocks_probe_signal_x</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1784, 904)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>corr_probe</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
  </block>
  <block>
    <key>virtual_sink</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(736, 1428)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>cronk</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>pfb1</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1168, 1972)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>dcg</value>
    </param>
    <param>
      <key>label</key>
      <value>Detector DC Gain</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>intx</value>
    </param>
    <param>
      <key>value</key>
      <value>100</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(984, 2576)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>decfile</value>
    </param>
    <param>
      <key>label</key>
      <value>Declination File Name</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>string</value>
    </param>
    <param>
      <key>value</key>
      <value>""</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1096, 2388)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>decln</value>
    </param>
    <param>
      <key>label</key>
      <value>Observing Declination</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1008, 2068)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>device</value>
    </param>
    <param>
      <key>label</key>
      <value>SDR Device Name</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>string</value>
    </param>
    <param>
      <key>value</key>
      <value>"rtl=0 file=/dev/zero,rate=5e6"</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1536, 2376)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>dfreq</value>
    </param>
    <param>
      <key>label</key>
      <value>Alternet Doppler Cente Frequency</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
    </param>
    <param>
      <key>value</key>
      <value>0.0</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1472, 2480)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fbsize</value>
    </param>
    <param>
      <key>label</key>
      <value>PSR Filterbank size</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>intx</value>
    </param>
    <param>
      <key>value</key>
      <value>128</value>
    </param>
  </block>
  <block>
    <key>blocks_probe_signal_vx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1600, 124)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fft2_probe</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>blocks_probe_signal_vx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1600, 20)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fft_probe</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>fft_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fft_size</key>
      <value>fftsize</value>
    </param>
    <param>
      <key>forward</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(200, 1496)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fft_vxx_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>nthreads</key>
      <value>1</value>
    </param>
    <param>
      <key>shift</key>
      <value>True</value>
    </param>
    <param>
      <key>window</key>
      <value>[]</value>
    </param>
  </block>
  <block>
    <key>fft_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fft_size</key>
      <value>fftsize</value>
    </param>
    <param>
      <key>forward</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(552, 1588)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fft_vxx_0_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>nthreads</key>
      <value>1</value>
    </param>
    <param>
      <key>shift</key>
      <value>True</value>
    </param>
    <param>
      <key>window</key>
      <value>[]</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1288, 2176)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fftsize</value>
    </param>
    <param>
      <key>label</key>
      <value>FFT size</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>intx</value>
    </param>
    <param>
      <key>value</key>
      <value>2048</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1464, 1972)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>frequency</value>
    </param>
    <param>
      <key>label</key>
      <value>Center Frequency</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
    </param>
    <param>
      <key>value</key>
      <value>1420.4058e6</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1296, 2380)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>gain</value>
    </param>
    <param>
      <key>label</key>
      <value>RF Gain</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
    </param>
    <param>
      <key>value</key>
      <value>30</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1360, 1972)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>ifgain</value>
    </param>
    <param>
      <key>label</key>
      <value>IF Gain</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
    </param>
    <param>
      <key>value</key>
      <value>5</value>
    </param>
  </block>
  <block>
    <key>import</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(16, 196)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>import_0</value>
    </param>
    <param>
      <key>import</key>
      <value>import math</value>
    </param>
  </block>
  <block>
    <key>import</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(16, 244)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>import_0_0</value>
    </param>
    <param>
      <key>import</key>
      <value>from gnuradio import fft</value>
    </param>
  </block>
  <block>
    <key>import</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(24, 308)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>import_0_0_0</value>
    </param>
    <param>
      <key>import</key>
      <value>import time</value>
    </param>
  </block>
  <block>
    <key>import</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1768, 2516)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>import_0_1</value>
    </param>
    <param>
      <key>import</key>
      <value>import numpy as np</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1504, 2568)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>integration</value>
    </param>
    <param>
      <key>label</key>
      <value>Integration Time (Sec.)</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
    </param>
    <param>
      <key>value</key>
      <value>0.5</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1496, 2176)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>latitude</value>
    </param>
    <param>
      <key>label</key>
      <value>Local Latitude</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
    </param>
    <param>
      <key>value</key>
      <value>44.9</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1392, 2276)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>longitude</value>
    </param>
    <param>
      <key>label</key>
      <value>Local Longitude</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
    </param>
    <param>
      <key>value</key>
      <value>-76.03</value>
    </param>
  </block>
  <block>
    <key>qtgui_tab_widget</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(368, 1948)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>main_tab</value>
    </param>
    <param>
      <key>label0</key>
      <value>Spectral</value>
    </param>
    <param>
      <key>label1</key>
      <value>Continuum</value>
    </param>
    <param>
      <key>label10</key>
      <value>Tab 10</value>
    </param>
    <param>
      <key>label11</key>
      <value>Tab 11</value>
    </param>
    <param>
      <key>label12</key>
      <value>Tab 12</value>
    </param>
    <param>
      <key>label13</key>
      <value>Tab 13</value>
    </param>
    <param>
      <key>label14</key>
      <value>Tab 14</value>
    </param>
    <param>
      <key>label15</key>
      <value>Tab 15</value>
    </param>
    <param>
      <key>label16</key>
      <value>Tab 16</value>
    </param>
    <param>
      <key>label17</key>
      <value>Tab 17</value>
    </param>
    <param>
      <key>label18</key>
      <value>Tab 18</value>
    </param>
    <param>
      <key>label19</key>
      <value>Tab 19</value>
    </param>
    <param>
      <key>label2</key>
      <value>Tab 2</value>
    </param>
    <param>
      <key>label3</key>
      <value>Tab 3</value>
    </param>
    <param>
      <key>label4</key>
      <value>Tab 4</value>
    </param>
    <param>
      <key>label5</key>
      <value>Tab 5</value>
    </param>
    <param>
      <key>label6</key>
      <value>Tab 6</value>
    </param>
    <param>
      <key>label7</key>
      <value>Tab 7</value>
    </param>
    <param>
      <key>label8</key>
      <value>Tab 8</value>
    </param>
    <param>
      <key>label9</key>
      <value>Tab 9</value>
    </param>
    <param>
      <key>num_tabs</key>
      <value>2</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1392, 2380)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>mode</value>
    </param>
    <param>
      <key>label</key>
      <value>Operation Mode</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>string</value>
    </param>
    <param>
      <key>value</key>
      <value>"total"</value>
    </param>
  </block>
  <block>
    <key>note</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>We synthesize a strip chart by updating
a vector from a function probe
That vector contains the current strip-chart
values.</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(456, 956)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>note_0</value>
    </param>
    <param>
      <key>note</key>
      <value>Such stripchart...</value>
    </param>
  </block>
  <block>
    <key>note</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1072, 388)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>note_1</value>
    </param>
    <param>
      <key>note</key>
      <value>Just a pacing source</value>
    </param>
  </block>
  <block>
    <key>note</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Implement simple DC-block, very cheaply.</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1472, 804)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>note_2</value>
    </param>
    <param>
      <key>note</key>
      <value></value>
    </param>
  </block>
  <block>
    <key>note</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>******* GUI ZONE ******
GUI CONTROL OBJECTS GO HERE!!</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(424, 1844)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>note_3</value>
    </param>
    <param>
      <key>note</key>
      <value></value>
    </param>
  </block>
  <block>
    <key>note</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>**** PARAMETER ZONE *****
COMMAND-LINE PARAMS GO HERE!!</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1200, 1868)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>note_4</value>
    </param>
    <param>
      <key>note</key>
      <value></value>
    </param>
  </block>
  <block>
    <key>note</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>The two main FFT pathways
Connected to the input filters</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(288, 1188)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>note_5</value>
    </param>
    <param>
      <key>note</key>
      <value></value>
    </param>
  </block>
  <block>
    <key>note</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Compute a bunch of parameters to
write to a parameters file for psrmode != 0</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1848, 1780)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>note_6</value>
    </param>
    <param>
      <key>note</key>
      <value></value>
    </param>
  </block>
  <block>
    <key>note</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>None of this pulsar stuff is
fully fleshed out yet
Probably fold in code from
pulsar_filterbank when I'm 
happy with it.</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1776, 1636)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>note_7</value>
    </param>
    <param>
      <key>note</key>
      <value></value>
    </param>
  </block>
  <block>
    <key>note</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value>Credit for these variable initializations
  goes to the WVURAIL lab#5 on PFB
  spectrometer implementations
(https://github.com/WVURAIL/dspira/tree/master/labs)</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1744, 2252)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>note_8</value>
    </param>
    <param>
      <key>note</key>
      <value></value>
    </param>
  </block>
  <block>
    <key>osmosdr_source</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>ant0</key>
      <value>antenna</value>
    </param>
    <param>
      <key>bb_gain0</key>
      <value>bbgain</value>
    </param>
    <param>
      <key>bw0</key>
      <value>abw</value>
    </param>
    <param>
      <key>dc_offset_mode0</key>
      <value>2</value>
    </param>
    <param>
      <key>corr0</key>
      <value>0</value>
    </param>
    <param>
      <key>freq0</key>
      <value>ifreq</value>
    </param>
    <param>
      <key>gain_mode0</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain0</key>
      <value>ifgain</value>
    </param>
    <param>
      <key>iq_balance_mode0</key>
      <value>0</value>
    </param>
    <param>
      <key>gain0</key>
      <value>igain</value>
    </param>
    <param>
      <key>ant10</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain10</key>
      <value>20</value>
    </param>
    <param>
      <key>bw10</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode10</key>
      <value>0</value>
    </param>
    <param>
      <key>corr10</key>
      <value>0</value>
    </param>
    <param>
      <key>freq10</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode10</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain10</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode10</key>
      <value>0</value>
    </param>
    <param>
      <key>gain10</key>
      <value>10</value>
    </param>
    <param>
      <key>ant11</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain11</key>
      <value>20</value>
    </param>
    <param>
      <key>bw11</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode11</key>
      <value>0</value>
    </param>
    <param>
      <key>corr11</key>
      <value>0</value>
    </param>
    <param>
      <key>freq11</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode11</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain11</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode11</key>
      <value>0</value>
    </param>
    <param>
      <key>gain11</key>
      <value>10</value>
    </param>
    <param>
      <key>ant12</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain12</key>
      <value>20</value>
    </param>
    <param>
      <key>bw12</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode12</key>
      <value>0</value>
    </param>
    <param>
      <key>corr12</key>
      <value>0</value>
    </param>
    <param>
      <key>freq12</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode12</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain12</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode12</key>
      <value>0</value>
    </param>
    <param>
      <key>gain12</key>
      <value>10</value>
    </param>
    <param>
      <key>ant13</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain13</key>
      <value>20</value>
    </param>
    <param>
      <key>bw13</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode13</key>
      <value>0</value>
    </param>
    <param>
      <key>corr13</key>
      <value>0</value>
    </param>
    <param>
      <key>freq13</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode13</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain13</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode13</key>
      <value>0</value>
    </param>
    <param>
      <key>gain13</key>
      <value>10</value>
    </param>
    <param>
      <key>ant14</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain14</key>
      <value>20</value>
    </param>
    <param>
      <key>bw14</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode14</key>
      <value>0</value>
    </param>
    <param>
      <key>corr14</key>
      <value>0</value>
    </param>
    <param>
      <key>freq14</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode14</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain14</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode14</key>
      <value>0</value>
    </param>
    <param>
      <key>gain14</key>
      <value>10</value>
    </param>
    <param>
      <key>ant15</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain15</key>
      <value>20</value>
    </param>
    <param>
      <key>bw15</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode15</key>
      <value>0</value>
    </param>
    <param>
      <key>corr15</key>
      <value>0</value>
    </param>
    <param>
      <key>freq15</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode15</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain15</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode15</key>
      <value>0</value>
    </param>
    <param>
      <key>gain15</key>
      <value>10</value>
    </param>
    <param>
      <key>ant16</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain16</key>
      <value>20</value>
    </param>
    <param>
      <key>bw16</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode16</key>
      <value>0</value>
    </param>
    <param>
      <key>corr16</key>
      <value>0</value>
    </param>
    <param>
      <key>freq16</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode16</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain16</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode16</key>
      <value>0</value>
    </param>
    <param>
      <key>gain16</key>
      <value>10</value>
    </param>
    <param>
      <key>ant17</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain17</key>
      <value>20</value>
    </param>
    <param>
      <key>bw17</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode17</key>
      <value>0</value>
    </param>
    <param>
      <key>corr17</key>
      <value>0</value>
    </param>
    <param>
      <key>freq17</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode17</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain17</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode17</key>
      <value>0</value>
    </param>
    <param>
      <key>gain17</key>
      <value>10</value>
    </param>
    <param>
      <key>ant18</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain18</key>
      <value>20</value>
    </param>
    <param>
      <key>bw18</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode18</key>
      <value>0</value>
    </param>
    <param>
      <key>corr18</key>
      <value>0</value>
    </param>
    <param>
      <key>freq18</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode18</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain18</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode18</key>
      <value>0</value>
    </param>
    <param>
      <key>gain18</key>
      <value>10</value>
    </param>
    <param>
      <key>ant19</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain19</key>
      <value>20</value>
    </param>
    <param>
      <key>bw19</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode19</key>
      <value>0</value>
    </param>
    <param>
      <key>corr19</key>
      <value>0</value>
    </param>
    <param>
      <key>freq19</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode19</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain19</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode19</key>
      <value>0</value>
    </param>
    <param>
      <key>gain19</key>
      <value>10</value>
    </param>
    <param>
      <key>ant1</key>
      <value>antenna</value>
    </param>
    <param>
      <key>bb_gain1</key>
      <value>bbgain</value>
    </param>
    <param>
      <key>bw1</key>
      <value>abw</value>
    </param>
    <param>
      <key>dc_offset_mode1</key>
      <value>2</value>
    </param>
    <param>
      <key>corr1</key>
      <value>0</value>
    </param>
    <param>
      <key>freq1</key>
      <value>ifreq</value>
    </param>
    <param>
      <key>gain_mode1</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain1</key>
      <value>ifgain</value>
    </param>
    <param>
      <key>iq_balance_mode1</key>
      <value>0</value>
    </param>
    <param>
      <key>gain1</key>
      <value>igain </value>
    </param>
    <param>
      <key>ant20</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain20</key>
      <value>20</value>
    </param>
    <param>
      <key>bw20</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode20</key>
      <value>0</value>
    </param>
    <param>
      <key>corr20</key>
      <value>0</value>
    </param>
    <param>
      <key>freq20</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode20</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain20</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode20</key>
      <value>0</value>
    </param>
    <param>
      <key>gain20</key>
      <value>10</value>
    </param>
    <param>
      <key>ant21</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain21</key>
      <value>20</value>
    </param>
    <param>
      <key>bw21</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode21</key>
      <value>0</value>
    </param>
    <param>
      <key>corr21</key>
      <value>0</value>
    </param>
    <param>
      <key>freq21</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode21</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain21</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode21</key>
      <value>0</value>
    </param>
    <param>
      <key>gain21</key>
      <value>10</value>
    </param>
    <param>
      <key>ant22</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain22</key>
      <value>20</value>
    </param>
    <param>
      <key>bw22</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode22</key>
      <value>0</value>
    </param>
    <param>
      <key>corr22</key>
      <value>0</value>
    </param>
    <param>
      <key>freq22</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode22</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain22</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode22</key>
      <value>0</value>
    </param>
    <param>
      <key>gain22</key>
      <value>10</value>
    </param>
    <param>
      <key>ant23</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain23</key>
      <value>20</value>
    </param>
    <param>
      <key>bw23</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode23</key>
      <value>0</value>
    </param>
    <param>
      <key>corr23</key>
      <value>0</value>
    </param>
    <param>
      <key>freq23</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode23</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain23</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode23</key>
      <value>0</value>
    </param>
    <param>
      <key>gain23</key>
      <value>10</value>
    </param>
    <param>
      <key>ant24</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain24</key>
      <value>20</value>
    </param>
    <param>
      <key>bw24</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode24</key>
      <value>0</value>
    </param>
    <param>
      <key>corr24</key>
      <value>0</value>
    </param>
    <param>
      <key>freq24</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode24</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain24</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode24</key>
      <value>0</value>
    </param>
    <param>
      <key>gain24</key>
      <value>10</value>
    </param>
    <param>
      <key>ant25</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain25</key>
      <value>20</value>
    </param>
    <param>
      <key>bw25</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode25</key>
      <value>0</value>
    </param>
    <param>
      <key>corr25</key>
      <value>0</value>
    </param>
    <param>
      <key>freq25</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode25</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain25</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode25</key>
      <value>0</value>
    </param>
    <param>
      <key>gain25</key>
      <value>10</value>
    </param>
    <param>
      <key>ant26</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain26</key>
      <value>20</value>
    </param>
    <param>
      <key>bw26</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode26</key>
      <value>0</value>
    </param>
    <param>
      <key>corr26</key>
      <value>0</value>
    </param>
    <param>
      <key>freq26</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode26</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain26</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode26</key>
      <value>0</value>
    </param>
    <param>
      <key>gain26</key>
      <value>10</value>
    </param>
    <param>
      <key>ant27</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain27</key>
      <value>20</value>
    </param>
    <param>
      <key>bw27</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode27</key>
      <value>0</value>
    </param>
    <param>
      <key>corr27</key>
      <value>0</value>
    </param>
    <param>
      <key>freq27</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode27</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain27</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode27</key>
      <value>0</value>
    </param>
    <param>
      <key>gain27</key>
      <value>10</value>
    </param>
    <param>
      <key>ant28</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain28</key>
      <value>20</value>
    </param>
    <param>
      <key>bw28</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode28</key>
      <value>0</value>
    </param>
    <param>
      <key>corr28</key>
      <value>0</value>
    </param>
    <param>
      <key>freq28</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode28</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain28</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode28</key>
      <value>0</value>
    </param>
    <param>
      <key>gain28</key>
      <value>10</value>
    </param>
    <param>
      <key>ant29</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain29</key>
      <value>20</value>
    </param>
    <param>
      <key>bw29</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode29</key>
      <value>0</value>
    </param>
    <param>
      <key>corr29</key>
      <value>0</value>
    </param>
    <param>
      <key>freq29</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode29</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain29</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode29</key>
      <value>0</value>
    </param>
    <param>
      <key>gain29</key>
      <value>10</value>
    </param>
    <param>
      <key>ant2</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain2</key>
      <value>20</value>
    </param>
    <param>
      <key>bw2</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode2</key>
      <value>0</value>
    </param>
    <param>
      <key>corr2</key>
      <value>0</value>
    </param>
    <param>
      <key>freq2</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode2</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain2</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode2</key>
      <value>0</value>
    </param>
    <param>
      <key>gain2</key>
      <value>10</value>
    </param>
    <param>
      <key>ant30</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain30</key>
      <value>20</value>
    </param>
    <param>
      <key>bw30</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode30</key>
      <value>0</value>
    </param>
    <param>
      <key>corr30</key>
      <value>0</value>
    </param>
    <param>
      <key>freq30</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode30</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain30</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode30</key>
      <value>0</value>
    </param>
    <param>
      <key>gain30</key>
      <value>10</value>
    </param>
    <param>
      <key>ant31</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain31</key>
      <value>20</value>
    </param>
    <param>
      <key>bw31</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode31</key>
      <value>0</value>
    </param>
    <param>
      <key>corr31</key>
      <value>0</value>
    </param>
    <param>
      <key>freq31</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode31</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain31</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode31</key>
      <value>0</value>
    </param>
    <param>
      <key>gain31</key>
      <value>10</value>
    </param>
    <param>
      <key>ant3</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain3</key>
      <value>20</value>
    </param>
    <param>
      <key>bw3</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode3</key>
      <value>0</value>
    </param>
    <param>
      <key>corr3</key>
      <value>0</value>
    </param>
    <param>
      <key>freq3</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode3</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain3</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode3</key>
      <value>0</value>
    </param>
    <param>
      <key>gain3</key>
      <value>10</value>
    </param>
    <param>
      <key>ant4</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain4</key>
      <value>20</value>
    </param>
    <param>
      <key>bw4</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode4</key>
      <value>0</value>
    </param>
    <param>
      <key>corr4</key>
      <value>0</value>
    </param>
    <param>
      <key>freq4</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode4</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain4</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode4</key>
      <value>0</value>
    </param>
    <param>
      <key>gain4</key>
      <value>10</value>
    </param>
    <param>
      <key>ant5</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain5</key>
      <value>20</value>
    </param>
    <param>
      <key>bw5</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode5</key>
      <value>0</value>
    </param>
    <param>
      <key>corr5</key>
      <value>0</value>
    </param>
    <param>
      <key>freq5</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode5</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain5</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode5</key>
      <value>0</value>
    </param>
    <param>
      <key>gain5</key>
      <value>10</value>
    </param>
    <param>
      <key>ant6</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain6</key>
      <value>20</value>
    </param>
    <param>
      <key>bw6</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode6</key>
      <value>0</value>
    </param>
    <param>
      <key>corr6</key>
      <value>0</value>
    </param>
    <param>
      <key>freq6</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode6</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain6</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode6</key>
      <value>0</value>
    </param>
    <param>
      <key>gain6</key>
      <value>10</value>
    </param>
    <param>
      <key>ant7</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain7</key>
      <value>20</value>
    </param>
    <param>
      <key>bw7</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode7</key>
      <value>0</value>
    </param>
    <param>
      <key>corr7</key>
      <value>0</value>
    </param>
    <param>
      <key>freq7</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode7</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain7</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode7</key>
      <value>0</value>
    </param>
    <param>
      <key>gain7</key>
      <value>10</value>
    </param>
    <param>
      <key>ant8</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain8</key>
      <value>20</value>
    </param>
    <param>
      <key>bw8</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode8</key>
      <value>0</value>
    </param>
    <param>
      <key>corr8</key>
      <value>0</value>
    </param>
    <param>
      <key>freq8</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode8</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain8</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode8</key>
      <value>0</value>
    </param>
    <param>
      <key>gain8</key>
      <value>10</value>
    </param>
    <param>
      <key>ant9</key>
      <value></value>
    </param>
    <param>
      <key>bb_gain9</key>
      <value>20</value>
    </param>
    <param>
      <key>bw9</key>
      <value>0</value>
    </param>
    <param>
      <key>dc_offset_mode9</key>
      <value>0</value>
    </param>
    <param>
      <key>corr9</key>
      <value>0</value>
    </param>
    <param>
      <key>freq9</key>
      <value>100e6</value>
    </param>
    <param>
      <key>gain_mode9</key>
      <value>False</value>
    </param>
    <param>
      <key>if_gain9</key>
      <value>20</value>
    </param>
    <param>
      <key>iq_balance_mode9</key>
      <value>0</value>
    </param>
    <param>
      <key>gain9</key>
      <value>10</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>args</key>
      <value>device</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(176, 20)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>osmosdr_source_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>clock_source0</key>
      <value></value>
    </param>
    <param>
      <key>time_source0</key>
      <value></value>
    </param>
    <param>
      <key>clock_source1</key>
      <value></value>
    </param>
    <param>
      <key>time_source1</key>
      <value></value>
    </param>
    <param>
      <key>clock_source2</key>
      <value></value>
    </param>
    <param>
      <key>time_source2</key>
      <value></value>
    </param>
    <param>
      <key>clock_source3</key>
      <value></value>
    </param>
    <param>
      <key>time_source3</key>
      <value></value>
    </param>
    <param>
      <key>clock_source4</key>
      <value></value>
    </param>
    <param>
      <key>time_source4</key>
      <value></value>
    </param>
    <param>
      <key>clock_source5</key>
      <value></value>
    </param>
    <param>
      <key>time_source5</key>
      <value></value>
    </param>
    <param>
      <key>clock_source6</key>
      <value></value>
    </param>
    <param>
      <key>time_source6</key>
      <value></value>
    </param>
    <param>
      <key>clock_source7</key>
      <value></value>
    </param>
    <param>
      <key>time_source7</key>
      <value></value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>nchan</key>
      <value>2</value>
    </param>
    <param>
      <key>num_mboards</key>
      <value>1</value>
    </param>
    <param>
      <key>type</key>
      <value>fc32</value>
    </param>
    <param>
      <key>sample_rate</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>sync</key>
      <value></value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1176, 2480)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>ppstime</value>
    </param>
    <param>
      <key>label</key>
      <value>Time Source</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>string</value>
    </param>
    <param>
      <key>value</key>
      <value>internal</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1256, 2276)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>prefix</value>
    </param>
    <param>
      <key>label</key>
      <value>Data File Prefix</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>string</value>
    </param>
    <param>
      <key>value</key>
      <value>"h1"</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1312, 2480)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>psrmode</value>
    </param>
    <param>
      <key>label</key>
      <value>Enable PSR mode</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>intx</value>
    </param>
    <param>
      <key>value</key>
      <value>0</value>
    </param>
  </block>
  <block>
    <key>qtgui_vector_sink_f</key>
    <param>
      <key>autoscale</key>
      <value>True</value>
    </param>
    <param>
      <key>average</key>
      <value>1.0</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(712, 508)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>spec_tab@0</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid</key>
      <value>True</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_vector_sink_f_0</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color1</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>label1</key>
      <value>spec_labels[0]</value>
    </param>
    <param>
      <key>width1</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color10</key>
      <value>"dark blue"</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>width10</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color2</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label2</key>
      <value>spec_labels[1]</value>
    </param>
    <param>
      <key>width2</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color3</key>
      <value>"green"</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>width3</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color4</key>
      <value>"black"</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>width4</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color5</key>
      <value>"cyan"</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>width5</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color6</key>
      <value>"magenta"</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>width6</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color7</key>
      <value>"yellow"</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>width7</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color8</key>
      <value>"dark red"</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>width8</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color9</key>
      <value>"dark green"</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>width9</key>
      <value>1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>name</key>
      <value>"Doppler Velocity"</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>2</value>
    </param>
    <param>
      <key>ref_level</key>
      <value>0</value>
    </param>
    <param>
      <key>showports</key>
      <value>True</value>
    </param>
    <param>
      <key>update_time</key>
      <value>1.0/15</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
    <param>
      <key>x_axis_label</key>
      <value>"Doppler Velocity (km/s)"</value>
    </param>
    <param>
      <key>x_start</key>
      <value>start_km</value>
    </param>
    <param>
      <key>x_step</key>
      <value>km_incr</value>
    </param>
    <param>
      <key>x_units</key>
      <value>"km/s"</value>
    </param>
    <param>
      <key>ymax</key>
      <value>+5</value>
    </param>
    <param>
      <key>ymin</key>
      <value>-1</value>
    </param>
    <param>
      <key>y_axis_label</key>
      <value>"Rel. Power (dB)"</value>
    </param>
    <param>
      <key>y_units</key>
      <value>"dB"</value>
    </param>
  </block>
  <block>
    <key>qtgui_vector_sink_f</key>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>average</key>
      <value>1.0</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1088, 788)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@1:3,0,2,4</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid</key>
      <value>True</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_vector_sink_f_0_0</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color1</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>label1</key>
      <value>spectro_helper.plotlabel(mode,0)</value>
    </param>
    <param>
      <key>width1</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color10</key>
      <value>"dark blue"</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>width10</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color2</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label2</key>
      <value>spectro_helper.plotlabel(mode,1)</value>
    </param>
    <param>
      <key>width2</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color3</key>
      <value>"green"</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>width3</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color4</key>
      <value>"black"</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>width4</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color5</key>
      <value>"cyan"</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>width5</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color6</key>
      <value>"magenta"</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>width6</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color7</key>
      <value>"yellow"</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>width7</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color8</key>
      <value>"dark red"</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>width8</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color9</key>
      <value>"dark green"</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>width9</key>
      <value>1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>name</key>
      <value>mode_map[mode]</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>2</value>
    </param>
    <param>
      <key>ref_level</key>
      <value>0</value>
    </param>
    <param>
      <key>showports</key>
      <value>True</value>
    </param>
    <param>
      <key>update_time</key>
      <value>1.0/5.0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>3600</value>
    </param>
    <param>
      <key>x_axis_label</key>
      <value>"Time (Minutes)"</value>
    </param>
    <param>
      <key>x_start</key>
      <value>0</value>
    </param>
    <param>
      <key>x_step</key>
      <value>-(1.0/60.0)</value>
    </param>
    <param>
      <key>x_units</key>
      <value>"Mins"</value>
    </param>
    <param>
      <key>ymax</key>
      <value>1.5</value>
    </param>
    <param>
      <key>ymin</key>
      <value>0.0</value>
    </param>
    <param>
      <key>y_axis_label</key>
      <value>"Deteced Power (arb units)"</value>
    </param>
    <param>
      <key>y_units</key>
      <value>""</value>
    </param>
  </block>
  <block>
    <key>qtgui_vector_sink_f</key>
    <param>
      <key>autoscale</key>
      <value>True</value>
    </param>
    <param>
      <key>average</key>
      <value>1.0</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(720, 692)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>spec_tab@1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid</key>
      <value>True</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_vector_sink_f_0_1</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color1</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>label1</key>
      <value>spec_labels[0]</value>
    </param>
    <param>
      <key>width1</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color10</key>
      <value>"dark blue"</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>width10</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color2</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label2</key>
      <value>spec_labels[1]</value>
    </param>
    <param>
      <key>width2</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color3</key>
      <value>"green"</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>width3</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color4</key>
      <value>"black"</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>width4</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color5</key>
      <value>"cyan"</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>width5</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color6</key>
      <value>"magenta"</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>width6</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color7</key>
      <value>"yellow"</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>width7</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color8</key>
      <value>"dark red"</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>width8</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color9</key>
      <value>"dark green"</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>width9</key>
      <value>1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>name</key>
      <value>"Frequency (MHz)"</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>2</value>
    </param>
    <param>
      <key>ref_level</key>
      <value>0</value>
    </param>
    <param>
      <key>showports</key>
      <value>True</value>
    </param>
    <param>
      <key>update_time</key>
      <value>1.0/15</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
    <param>
      <key>x_axis_label</key>
      <value>"Frequency (MHz)"</value>
    </param>
    <param>
      <key>x_start</key>
      <value>(ifreq-samp_rate/2)/1.0e6</value>
    </param>
    <param>
      <key>x_step</key>
      <value>fincr</value>
    </param>
    <param>
      <key>x_units</key>
      <value>"MHz"</value>
    </param>
    <param>
      <key>ymax</key>
      <value>+5</value>
    </param>
    <param>
      <key>ymin</key>
      <value>-1</value>
    </param>
    <param>
      <key>y_axis_label</key>
      <value>"Rel. Power (dB)"</value>
    </param>
    <param>
      <key>y_units</key>
      <value>"dB"</value>
    </param>
  </block>
  <block>
    <key>qtgui_waterfall_sink_x</key>
    <param>
      <key>axislabels</key>
      <value>True</value>
    </param>
    <param>
      <key>bw</key>
      <value>samp_rate</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>fc</key>
      <value>ifreq</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fftsize</key>
      <value>1024</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1624, 600)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>spec_tab@2</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid</key>
      <value>False</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_waterfall_sink_x_0</value>
    </param>
    <param>
      <key>int_max</key>
      <value>-40</value>
    </param>
    <param>
      <key>int_min</key>
      <value>-90</value>
    </param>
    <param>
      <key>legend</key>
      <value>True</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color1</key>
      <value>3</value>
    </param>
    <param>
      <key>label1</key>
      <value></value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color10</key>
      <value>0</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color2</key>
      <value>0</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color3</key>
      <value>0</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color4</key>
      <value>0</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color5</key>
      <value>0</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color6</key>
      <value>0</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color7</key>
      <value>0</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color8</key>
      <value>0</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color9</key>
      <value>0</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>name</key>
      <value>Spectrogram</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>showports</key>
      <value>True</value>
    </param>
    <param>
      <key>freqhalf</key>
      <value>True</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.2</value>
    </param>
    <param>
      <key>wintype</key>
      <value>firdes.WIN_BLACKMAN_hARRIS</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(984, 2384)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>ra</value>
    </param>
    <param>
      <key>label</key>
      <value>Target RA</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
    </param>
    <param>
      <key>value</key>
      <value>12.0</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(944, 2276)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>rfilist</value>
    </param>
    <param>
      <key>label</key>
      <value>RFI Frequency List</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>string</value>
    </param>
    <param>
      <key>value</key>
      <value>""</value>
    </param>
  </block>
  <block>
    <key>single_pole_iir_filter_xx</key>
    <param>
      <key>alpha</key>
      <value>spectro_helper.getalpha(fft_hz/2.0,fftrate)</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(64, 1724)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>single_pole_iir_filter_xx_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>single_pole_iir_filter_xx</key>
    <param>
      <key>alpha</key>
      <value>spectro_helper.getalpha(fft_hz/2.0,fftrate)</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(776, 1828)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>single_pole_iir_filter_xx_0_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>vlen</key>
      <value>fftsize</value>
    </param>
  </block>
  <block>
    <key>single_pole_iir_filter_xx</key>
    <param>
      <key>alpha</key>
      <value>spectro_helper.getalpha(fft_hz/2.0,samp_rate)</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1112, 1156)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>single_pole_iir_filter_xx_1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>single_pole_iir_filter_xx</key>
    <param>
      <key>alpha</key>
      <value>spectro_helper.getalpha(frate/2.0,fft_hz)</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1352, 1004)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>single_pole_iir_filter_xx_2</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1168, 2576)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>spec_interval</value>
    </param>
    <param>
      <key>label</key>
      <value>Spectral Logging Interval</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>intx</value>
    </param>
    <param>
      <key>value</key>
      <value>15</value>
    </param>
  </block>
  <block>
    <key>qtgui_tab_widget</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(352, 2024)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>main_tab@0:3,0,1,4</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>spec_tab</value>
    </param>
    <param>
      <key>label0</key>
      <value>Doppler</value>
    </param>
    <param>
      <key>label1</key>
      <value>Frequency</value>
    </param>
    <param>
      <key>label10</key>
      <value>Tab 10</value>
    </param>
    <param>
      <key>label11</key>
      <value>Tab 11</value>
    </param>
    <param>
      <key>label12</key>
      <value>Tab 12</value>
    </param>
    <param>
      <key>label13</key>
      <value>Tab 13</value>
    </param>
    <param>
      <key>label14</key>
      <value>Tab 14</value>
    </param>
    <param>
      <key>label15</key>
      <value>Tab 15</value>
    </param>
    <param>
      <key>label16</key>
      <value>Tab 16</value>
    </param>
    <param>
      <key>label17</key>
      <value>Tab 17</value>
    </param>
    <param>
      <key>label18</key>
      <value>Tab 18</value>
    </param>
    <param>
      <key>label19</key>
      <value>Tab 19</value>
    </param>
    <param>
      <key>label2</key>
      <value>Waterfall</value>
    </param>
    <param>
      <key>label3</key>
      <value>Waterfall</value>
    </param>
    <param>
      <key>label4</key>
      <value>Tab 4</value>
    </param>
    <param>
      <key>label5</key>
      <value>Tab 5</value>
    </param>
    <param>
      <key>label6</key>
      <value>Tab 6</value>
    </param>
    <param>
      <key>label7</key>
      <value>Tab 7</value>
    </param>
    <param>
      <key>label8</key>
      <value>Tab 8</value>
    </param>
    <param>
      <key>label9</key>
      <value>Tab 9</value>
    </param>
    <param>
      <key>num_tabs</key>
      <value>3</value>
    </param>
  </block>
  <block>
    <key>epy_module</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>source_code</key>
      <value># this module will be imported in the into your flowgraph
import sys
import os
import time
import ephem
import operator
import math
import numpy

def getalpha(corner, srate):
	q = math.pow(math.e,-2.0*(corner/srate))
	alpha = 1.0 - q
	return alpha


zeromap = {}

lastt = time.time()
lasttpt = time.time()
fft_buffer = [1.0e-25]*2048
fft2_buffer = [0.0]*2048
baseline_buffer=[0.0]*2048
baseline_buffer2=[0.0]*2048
freq_mask=[1.0]*2048
freq_mask_processed=False
tpwra=-99
tpwrb=-99
first_time = 0
pacet = time.time()
corr_sin = 1.0e-12
corr_cos = 1.0e-12
dpwr=0.0
apwr=0.0
import copy

def do_annotation(ra,dec,baseline,annotation,bw,abw,freq,srate,prefix):
    ltp = time.gmtime()
    if len(annotation) &lt;= 0:
        return True
    fn = "%s%04d%02d%02d-annotation.txt" % (prefix, ltp.tm_year, ltp.tm_mon, ltp.tm_mday)
    fp = open(fn, "a")
    fp.write ("Annotation update: %04d%02d%02d-%02d:%02d:%02d\n" % 
        (ltp.tm_year, ltp.tm_mon, ltp.tm_mday, ltp.tm_hour, ltp.tm_min, ltp.tm_sec))
    fp.write ("RA: %6.2f\n" % ra)
    fp.write ("DEC: %6.2f\n" % dec)
    fp.write ("Baseline length: %6.2fm\n" % baseline)
    fp.write ("Annotation: %s\n" % annotation)
    fp.write ("Input Filter Bandwidth: %6.2fMHz\n" % (bw/1.0e6))
    fp.write ("Analog Bandwidth: %6.2fMHz\n" % (abw/1.0e6))
    fp.write ("Frequency: %8.4fMHz\n" % (freq/1.0e6))
    fp.write ("Sample rate: %6.2fMsps\n\n" % (srate/1.0e6))
    fp.close()
    return True
    
    
def fft_log(p,p2,corr,frq,bw,longitude,normalize,prefix,decln,flist,again,ffa,mode,zt,decfile,tpi,spi,hz):
    global fft_buffer
    global first_time
    global lastt
    global lasttpt
    global baseline_buffer
    global baseline_buffer2
    global fft2_buffer
    global tpwra, tpwrb
    global dpwr
    global apwr
    global freq_mask
    global freq_mask_processed
    global pacet
    global corr_cos, corr_sin
    global zeromap

    preflist=prefix.split(",")
    
    if ((time.time() - pacet) &lt; (1.0/hz)):
        return False
    
    pacet = time.time()
    
    if (len(p) != len(freq_mask)):
        fft_buffer = [1.0e-25]*len(p)
        fft2_buffer = [0.0]*len(p)
        baseline_buffer=[0.0]*len(p)
        freq_mask=[1.0]*len(p)
    
    fplen = float(len(p))
    if flist != "" and freq_mask_processed == False:
        nmsks = 0
        freq_mask_processed = True
        stf = frq-(bw/2.0)
        incr = bw/fplen
        flist = flist.split(",")
        for i in range(0,len(freq_mask)):
            for f in flist:
                if math.fabs(stf-float(f)) &lt;= (incr*2.5):
                    freq_mask[i] = 1.0e-15
                    print "Setting mask at F %f position %d (%f)" % (float(f), i, incr*float(i))
                    nmsks += 1
            stf += incr
        print "Total mask percentage %f" % ((float(nmsks)/fplen)*100.0)
                
    if fft_buffer[10] &lt; 1.0e-24:
        fft_buffer = numpy.copy(p)

    pwra = 0.0
    pwrb = 0.0
    diff = 0.0
    a = getalpha(1.0/ffa, hz)

    
    #
    # Use numpy to process the log10-FFT buffers and turn them
    #  into linear values
    #
    ta = numpy.divide(p,[10.0]*len(p))
    ta = numpy.power([10.0]*len(ta),ta)
    ta = numpy.multiply(ta,freq_mask)
    pwra = numpy.sum(ta)
    
    tb = numpy.divide(p2,[10.0]*len(p))
    tb = numpy.power([10.0]*len(tb),tb)
    tb = numpy.multiply(tb,freq_mask)
    pwrb = numpy.sum(tb)
    
    ffts = [ta, tb]
    
    w = 0
    for  tf in ffts:
        #
        # To guard against log10 blowing up
        #
        tf = numpy.add([1.0e-22]*len(tf), tf)

        #
        # Integrate as a vector
        #
        tf = numpy.multiply([a]*len(tf),tf)
        tf2 = numpy.multiply([1.0-a]*len(tf), fft_buffer if w == 0 else fft2_buffer)
        tf = numpy.add(tf2,tf)

        #
        # Update it BEFORE we convert to log10, dummy
        #
        if (w == 0):
            fft_buffer = tf
        else:
            fft2_buffer = tf
        
        w += 1
    
    
    atp=a
    
    #
    # Gain settings
    #
    corr_a = corr.real * again
    corr_b = corr.imag * again
    pwra *= again
    pwrb *= again
    
    #
    # Prime the integrator
    #
    if (tpwra &lt; -10):
        tpwra = pwra
        tpwrb = pwrb
        
    if (corr_cos &lt; -1.0e-10):
        corr_cos = corr_a
        corr_sin = corr_b
    
    #
    # Integration
    #
    corr_cos = (atp * corr_a) + ((1.0 - atp)*corr_cos)
    corr_sin = (atp * corr_b) + ((1.0 - atp)*corr_sin)

    tpwra = (atp * pwra) + ((1.0 - atp)*tpwra)
    tpwrb = (atp * pwrb) + ((1.0 - atp)*tpwrb)
    
    
    diff = tpwra - tpwrb
    added = tpwra + tpwrb

    if (first_time == 0):
        first_time = int(time.time())
    
    if (mode == "differential" or mode == "diff"):
        dpwr = diff
        apwr = added
    
    elif (mode == "interferometer" or mode == "corr" or mode == "correlator"):
        dpwr = corr_cos
        apwr = corr_sin
    
    else:
        dpwr = tpwra   
        apwr = 0.0

    #
    # Allow integrators to settle, etc, so don't write "ramp up" data
    #
    if ((time.time() - first_time) &gt; 20):
            
        if (time.time() - lasttpt) &gt;= tpi:
            lasttpt = time.time()
            
            ltp = time.gmtime()
            for prefix in preflist:
                fn="%s%04d%02d%02d-tp.csv" % (prefix, ltp.tm_year, ltp.tm_mon, ltp.tm_mday)
                f = open (fn, "a")
                f.write ("%02d,%02d,%02d," % (ltp.tm_hour, ltp.tm_min, ltp.tm_sec))
                f.write ("%s," % cur_sidereal(longitude))
                f.write("%5.5f," % (frq/1.0e6))
                f.write("%5.5f," % bw)
                f.write("%5.1f," % decln)
                f.write("%10.7f," % tpwra)
                f.write("%10.7f," % tpwrb)
                f.write("%10.7f," % diff)
                f.write("%10.7f," % added)
                f.write("%10.7f,%10.7f\n" %  (corr_cos, corr_sin))
                f.close()
        
        if (time.time() - lastt) &gt;= spi:
            lastt = time.time()
            ltp = time.gmtime()
            
            ffts = [fft_buffer, fft2_buffer]
            for w in [0,1]:
                for prefix in preflist:
                    fn = "%s%04d%02d%02d-%d-spec.csv" % (prefix, ltp.tm_year, ltp.tm_mon, ltp.tm_mday, w)
                    f = open (fn, "a")
                    f.write ("%02d,%02d,%02d," % (ltp.tm_hour, ltp.tm_min, ltp.tm_sec))
                    f.write ("%s," % cur_sidereal(longitude))
                    f.write("%5.5f," % (frq/1.0e6))
                    f.write("%5.5f," % bw)
                    f.write("%5.1f," % decln)
                    
                    st = cur_sidereal(longitude)
                    st = st.split(",")
                    st_h = float(st[0])
                    st_h += float(st[1])/60.0
                    st_h += float(st[2])/3600.0
                        
                    for i in range(0,len(ffts[w])):
                        try:
                            f.write("%6.2f," % (math.log10(ffts[w][i])*10.0))
                        except:
                            f.write("???,")
                    f.write ("\n")
                    f.close()
                    
                    d_ndx = int(decln)
                    if (d_ndx in zeromap and (st_h - zeromap[d_ndx]) &lt; (35.0/3600.0)):
                        baseline_setter(1)
            return 1
        
    return 0
 
def smooth(vect,a=0.4):
    return vect
    ovect=[0]*len(vect)
    val=vect[0]
    for i in range(0,len(vect)):
        val = (a*vect[i]) + ((1.0 - a)*val)
        ovect[i] = val
    
    return ovect   
    
def avgvect(v1, v2):
    q = map(operator.add, v1, v2)
    return map(operator.div, q, [2]*len(v1))

def cur_sidereal(longitude):
    longstr = "%02d" % int(longitude)
    longstr = longstr + ":"
    longitude = abs(longitude)
    frac = longitude - int(longitude)
    frac *= 60
    mins = int(frac)
    longstr += "%02d" % mins
    longstr += ":00"
    x = ephem.Observer()
    x.date = ephem.now()
    x.long = longstr
    jdate = ephem.julian_date(x)
    tokens=str(x.sidereal_time()).split(":")
    hours=int(tokens[0])
    minutes=int(tokens[1])
    seconds=int(float(tokens[2]))
    sidt = "%02d,%02d,%02d" % (hours, minutes, seconds)
    return (sidt)
    
def curr_findx(pace):
    global  sched_index
    global schedule
    global baseline_count
    global MAX_BASELINE
    
    if baseline_count &gt; MAX_BASELINE:
        return 0

    cur=schedule[sched_index]
    sched_index = sched_index + 1
    if sched_index &gt;= len(schedule):
        sched_index = 0
    return cur


#
# Get (baselined) FFT buffer, whichever is selected for display
#
def curr_diff(pace,normalize,expected,which):
    global fft_buffer
    global baseline_buffer
    global fft2_buffer
    global baseline_buffer2
    
    inbuf = [fft_buffer, fft2_buffer]
    basebuf = [baseline_buffer, baseline_buffer2]
    
    if (len(fft_buffer) != expected):
        return ([-120.0]*expected)
    
    if (numpy.sum(basebuf[which]) == 0.0):
        x = inbuf[which]
    else:
        y = map(operator.add, basebuf[which], [1.0e-24]*len(basebuf[which]))
        x = map(operator.truediv, inbuf[which], smooth(y,a=0.5))
    x = numpy.add(x, [1.0e-24]*len(x))
    x = numpy.abs(x)
    return numpy.multiply(numpy.log10(x),[10.0]*len(x))
    
def not_the_norm(vect):
    m=min(vect)
    s=[m]*len(vect)
    return map(operator.sub, vect, s)

def baseline_setter(thing):
    global baseline_buffer
    global baseline_buffer2
    global fft_buffer
    global fft_buffer2
    
    if thing != 0:
        baseline_buffer = smooth(fft_buffer,a=0.5)
        baseline_buffer = numpy.multiply(baseline_buffer,[0.95]*len(baseline_buffer))
        baseline_buffer2 = smooth(fft2_buffer,a=0.5)
        baseline_buffer2 = numpy.multiply(baseline_buffer2, [0.95]*len(baseline_buffer2))

def baseline_clearer(thing):
    global baseline_buffer
    global fft_buffer
    global baseline_buffer2
    global fft2_buffer
    
    if thing != 0:
        baseline_buffer = [0.0]*len(fft_buffer)
        baseline_buffer2 = [0.0]*len(fft2_buffer)

def lmst_string(pacer,longitude):
    return cur_sidereal(longitude).replace(",", ":")


TPLEN=3600
tp_vect=[0.0]*TPLEN
tp_vect2=[0.0]*TPLEN
def get_tp_vect(pacer):
    global tp_vect
    global tp_vect2
    global dpwr
    global apwr
    global TPLEN
    
    
    tp_vect=tp_vect[0:(TPLEN-1)]
    tp_vect=[dpwr]+tp_vect
    
    tp_vect2=tp_vect2[0:(TPLEN-1)]
    tp_vect2=[apwr]+tp_vect2
    
    if len(tp_vect) != TPLEN:
        print "Blarf!!! short TP_VECT"
    
    return ([tp_vect,tp_vect2])
            

tpwr = 0 
def lmst_hours(pacer,longitude):
    x = lmst_string(1,longitude)
    
    x = x.split(":")
    hours = float(x[0])
    hours += float(x[1])/60.0
    hours += float(x[2])/3600.0
    
    return hours

#
#
# Calculations for automated fringe-stopping
#
# We are called on a regular basis to produce a complex rotation value that is
#  applied to one leg of the interferometer, to reduce the fringe frequency to
#  close-to zero, thus allowing longer integration times.
#
def ha (ra,longit):
    #
    # First get current sidereal time as as HH:MM:SS string
    #
    lmst = cur_sidereal (longit)
    parts = lmst.split(",")
    
    #
    # Re-express lmst (string) as a decimal hours
    #
    lmst = float(parts[0])
    lmst += float(parts[1]) / 60.0
    lmst += float(parts[2]) / 3600.0
    
    #
    # Now compute relative hour-angle between us, and the object in question (at some RA)
    #   When we're done, we have the relative hour-angle in radians
    #
    h = ra - lmst
    return (h)
#
# Phase accumulator
#
phase_accum = 0.0

#
# For time-delta calcs
#
last_time_phase = -99.0

#
# Earth rotation in radians/second
#
earth = math.radians(360.0 / 86400.0)

#
# Since part of the calculation only needs to be done when baseline or
#  frequency changes, we keep 'em global
gbaseline = 0.0
gfreq = 0.0
basefreqrot = 0.0

#
# Another part only changes when dec/latit changes
#
gdec = -99.0
glatit = -99.0
declatrot = 0.0

#
# The combination of the two
#
baserot = 0.0

#
# Speed of light, in case it wasn't obvious :)
#
C = 299792000.0

#
#
# Compute phase-rotation value based either on manual input, or automatic
#   fringe rotation
#
# pacer   - ignored, simply used as a "dummy" variable in the flow-graph to
#           make sure that we're called regularly.
# ra       - The RA in fractional hours
# dec      - The DEC in fractional degrees
# longit   - Our geographic longitude
# latit    - Our geographic latitude
# baseline - Baseline length, in meters
# ena      - Whether automagic or manual is in use
# manval   - The manual value
# freq     - The sky frequency
#
#
# These calculations assume a meridian-transit type setup, with a strictly east-west baseline
#
def fringe_stop (pacer, ra, dec, longit, latit, baseline, ena, manval, freq):
    global phase_accum
    global last_time_phase
    global earth
    global gbaseline
    global gfreq
    global basefreqrot
    global declatrot
    global gdec
    global glatit
    global baserot
 
    #
    # Just compute the fixed-value from the degrees input by the UI
    #
    if ena == False:
        radians = math.radians(manval)
        return (complex(math.cos(radians),math.sin(radians)))

   
    #
    # Handle initialization of our time-delta calculator
    #
    if last_time_phase &lt; 0:
        last_time_phase = time.time()

    #
    # Compute time delta compared to last-time
    #
    now = time.time()
    tdelt = now - last_time_phase
    
    #
    # Remember "now" for next time
    #
    last_time_phase = now
    
    changed = False
    
    #
    # If baseline or freq parameters have changed
    #
    if baseline != gbaseline or freq != gfreq:
        gbaseline = baseline
        gfreq = freq
        basefreqrot = (baseline * earth)/(C / freq)
        changed = True
    
    #
    # If dec or latit changes
    #
    if dec != gdec or latit != glatit:
        gdec = dec
        glatit = latit
        declatrot = math.cos(math.radians(dec))*math.cos(math.radians(latit))
        changed = True
    
    #
    # Update the combined "baserot"
    #
    if changed == True:
        baserot = basefreqrot * declatrot
        
    #
    # First get current sidereal time as as HH:MM:SS string
    #
    lmst = cur_sidereal (longit)
    parts = lmst.split(",")
    
    #
    # Re-express lmst (string) as a decimal hours
    #
    lmst = float(parts[0])
    lmst += float(parts[1]) / 60.0
    lmst += float(parts[2]) / 3600.0
    
    #
    # Now compute relative hour-angle between us, and the object in question (at some RA)
    #   When we're done, we have the relative hour-angle in radians
    #
    h = ra - lmst
    h *= math.radians((360.0 / 24.0))
        
    #
    # Compute fringe rate in radians/hour
    #
    # h       - relative hour-angle, in radians between us and source
    #
    # Other parameters to the equation don't change with time, so they're
    #   efficiently pre-computed above, and re-computed when the input
    #   parameters change
    #
    F = baserot*math.sin(h)
    
    #
    # Because I get lost in the units, the above may be in radians/hour
    #   or radians/second so we can just adjust this scaling for the calculation below
    #
    scale = 1.0/3600.0
    
    #
    # Update the phase accumulator (stored in radians)
    # Handle phase-wrap gracefully
    # (although, the Python transcendentals handle this just fine themselves)
    #
    phase_accum += tdelt*(F * scale)
    if phase_accum &gt; 2.0*math.pi:
        phase_accum -= (2.0*math.pi)
    
    #
    # We return a value that can be used by the phase rotator in the flow-graph
    #
    rval = complex(math.cos(phase_accum),math.sin(phase_accum))
    return (rval)

def doppler_start(ifreq, dfreq, bw):
    if (dfreq == 0.0):
        stf = ifreq - bw/2.0
        dop = (ifreq - stf) / ifreq
        dop *= 299792.0
    else:
        stf = ifreq - bw/2.0
        dop = (dfreq - stf) / dfreq
        dop *= 299792.0
    return dop

ui_decln = [time.time(), None]
f_decln = [time.time(), None]
def get_decln(decln,decfile,dummy):
    global ui_decln
    global f_decln
    try:
        newdec = open(decfile,"r").readline().strip("\n")
        newdec = float(newdec)
        if (newdec != f_decln[1]):
            f_decln = [time.time(), newdec]
    except:
        pass
    
    if (decln != ui_decln[1]):
        ui_decln = [time.time(), decln]

    if (f_decln[0] &gt; ui_decln[0]):
        return(f_decln[1])
    else:
        return(ui_decln[1])
 
def plotlabel(mode, which):
    w1 = {"total" : "TP", "tp" : "TP", "diff" : "Diff", "differential" : "Diff", "interf" : "Cos", "interferometer" : "Cos",
        "correlator" : "Cos"}
    w2 = {"total" : "Zero", "tp" : "Zero", "diff" : "Sum", "differential" : "Sum", "interf" : "Sin", "interferometer" : "Sin",
        "correlator" : "Sin"}
    
    ary = [w1,w2]
    
    di = ary[which]
    return (di[mode])

def get_spec_labels(mode):
    w1 = {"total" : "SKY", "tp" : "SKY", "diff" : "SKY", "differential" : "SKY", "interf" : "East", "interferometer" : "East",
        "correlator" : "East"}
    w2 = {"total" : "Zero", "tp" : "Zero", "diff" : "REF", "differential" : "REF", "interf" : "West", "interferometer" : "West",
        "correlator" : "West"}
    
    return ([w1[mode],w2[mode]])
    
def init_zero_map(zf):
    global zeromap
    cnt = 0
    
    if ("" != zf and zf != None):
        try:
            f = open(zf, "r")
            lines = f.readlines()
            f.close()
            for l in lines:
                l = l.replace("\n", "")
                ts = l.split(" ")
                zeromap[int(ts[0])] = float(ts[1])
                cnt += 1
        except:
            pass
    return cnt
            
</value>
    </param>
    <param>
      <key>comment</key>
      <value>IMPORTED MODULE
A bunch of helper bits and pieces for logging, etc</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(560, 20)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>spectro_helper</value>
    </param>
  </block>
  <block>
    <key>parameter</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1008, 2164)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>srate</value>
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    <param>
      <key>label</key>
      <value>Sample rate</value>
    </param>
    <param>
      <key>short_id</key>
      <value></value>
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    <param>
      <key>hide</key>
      <value>none</value>
    </param>
    <param>
      <key>type</key>
      <value>eng_float</value>
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    <param>
      <key>value</key>
      <value>2.56e6</value>
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    <param>
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      <value></value>
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    <param>
      <key>comment</key>
      <value></value>
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    <param>
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      <value>True</value>
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    <param>
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      <value>(1328, 2576)</value>
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    <param>
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    </param>
    <param>
      <key>id</key>
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    <param>
      <key>label</key>
      <value>TP Logging Interval</value>
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    <param>
      <key>short_id</key>
      <value></value>
    </param>
    <param>
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      <value>none</value>
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    <param>
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      <value>intx</value>
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    <param>
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      <value>2</value>
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      <value></value>
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    <param>
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      <value>0</value>
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    <param>
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    <param>
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      <value></value>
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      <value>True</value>
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    <param>
      <key>_coordinate</key>
      <value>(240, 1796)</value>
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    <param>
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      <value>0</value>
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    <param>
      <key>id</key>
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      <value></value>
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      <value>True</value>
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    <param>
      <key>_coordinate</key>
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    <param>
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    <param>
      <key>stream_id</key>
      <value>fft2_filtered</value>
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    <param>
      <key>comment</key>
      <value></value>
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    <param>
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    <param>
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    <param>
      <key>stream_id</key>
      <value>Chan0</value>
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      <value></value>
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    <param>
      <key>_coordinate</key>
      <value>(440, 204)</value>
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    <param>
      <key>id</key>
      <value>virtual_sink_2_0</value>
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    <param>
      <key>stream_id</key>
      <value>Chan1</value>
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      <value></value>
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    <param>
      <key>_coordinate</key>
      <value>(376, 1444)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
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      <key>id</key>
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      <key>stream_id</key>
      <value>pfb0</value>
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      <value></value>
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    <param>
      <key>_coordinate</key>
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    <param>
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    <param>
      <key>stream_id</key>
      <value>pfb_out0</value>
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      <value></value>
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    <param>
      <key>id</key>
      <value>virtual_sink_4_0</value>
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    <param>
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      <value>pfb_out1</value>
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      <value></value>
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    <param>
      <key>_coordinate</key>
      <value>(232, 532)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
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    <param>
      <key>id</key>
      <value>virtual_source_0</value>
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    <param>
      <key>stream_id</key>
      <value>fft_decim_vectors</value>
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      <value></value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
      <key>_coordinate</key>
      <value>(888, 20)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_source_1</value>
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    <param>
      <key>stream_id</key>
      <value>fft_filtered</value>
    </param>
  </block>
  <block>
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      <value></value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
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      <value>(888, 124)</value>
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    <param>
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      <value>0</value>
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    <param>
      <key>id</key>
      <value>virtual_source_1_0</value>
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    <param>
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      <value>fft2_filtered</value>
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      <value></value>
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      <value>True</value>
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    <param>
      <key>_coordinate</key>
      <value>(40, 1372)</value>
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    <param>
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      <value>0</value>
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    <param>
      <key>id</key>
      <value>virtual_source_2</value>
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    <param>
      <key>stream_id</key>
      <value>Chan0</value>
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      <value></value>
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    <param>
      <key>stream_id</key>
      <value>Chan1</value>
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      <value></value>
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    <param>
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    <param>
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    <param>
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      <value>Chan1</value>
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  <block>
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      <value></value>
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    <param>
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    <param>
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  <block>
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      <value></value>
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    <param>
      <key>id</key>
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    <param>
      <key>stream_id</key>
      <value>Chan1</value>
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  <block>
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      <value></value>
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      <key>id</key>
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    <param>
      <key>stream_id</key>
      <value>pfb0</value>
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  <block>
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    <param>
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    <param>
      <key>id</key>
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    <param>
      <key>stream_id</key>
      <value>pfb1</value>
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  <block>
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    <param>
      <key>id</key>
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    <param>
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  <block>
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      <value></value>
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      <value></value>
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    <param>
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    <param>
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      <value></value>
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      <value></value>
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      <value></value>
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    <param>
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      <value></value>
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      <value>99.3</value>
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    <source_block_id>blocks_multiply_const_vxx_2</source_block_id>
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</flow_graph>