swath: IW1
Bperp (average): -77.4744364138401
Bpar (average): 42.8447426467444
swath: IW2
Bperp (average): -73.72858511371243
Bpar (average): 48.77693352899093
swath: IW3
Bperp (average): -70.38049271870823
Bpar (average): 53.572695264541416