swath: IW1
Bperp (average): -113.6392590302513
Bpar (average): 118.96025639198297
swath: IW2
Bperp (average): -103.96103430844671
Bpar (average): 127.80685147466168
swath: IW3
Bperp (average): -95.36163930243686
Bpar (average): 134.6525716310303