swath: IW1
Bperp (average): 144.92529381162464
Bpar (average): -28.71865523781224
swath: IW2
Bperp (average): 142.10019502784098
Bpar (average): -40.326291515941364
swath: IW3
Bperp (average): 139.01719161744606
Bpar (average): -49.88601781633507