swath: IW1
Bperp (average): -131.2715330703926
Bpar (average): 31.97234271304545
swath: IW2
Bperp (average): -127.95191030885638
Bpar (average): 42.484843008181514
swath: IW3
Bperp (average): -124.64357747677958
Bpar (average): 51.0899038935276