This is the gr-analog package. It contains all of the analog
modulation blocks, utilities, and examples. To use the analog blocks,
the Python namespaces is in gnuradio.analog, which would be normally
imported as:

    from gnuradio import analog

See the Doxygen documentation for details about the blocks available
in this package. A quick listing of the details can be found in Python
after importing by using:

    help(analog)