Splitr , which formate of trajectory file(like .txt,shape file etc) download from Hysplit?

[ummedss01]

I have installed splitR package. To run this package required trajectory file from Hysplit at define receptor site(28.7041° N, 77.1025° E). here is confusing situation for me, please guide me stepwise at following query.
1.How to downloads hysplit trajectory file at define lat, long.
2.Which formats of file required (like text file, shape file, etc) to read in R.
3.How we read this downloaded file in R.
3.How we merge the all trajectory file in single file in R.

please explain with example at least 2 five day backward trajectory at any date at 28.7041° N, 77.1025° E receptor site. it must required me for event analysis at this receptor site in recent time.
I hope you will help me dear Iannone.