swath: IW1
Bperp (average): -83.0259467334308
Bpar (average): 43.71058683270891
swath: IW2
Bperp (average): -79.92062888478534
Bpar (average): 50.43032089516702
swath: IW3
Bperp (average): -77.33612621992488
Bpar (average): 56.03356854371799