swath: IW1
Bperp (average): -43.49347753369254
Bpar (average): 8.519399755389735
swath: IW2
Bperp (average): -42.53992811830266
Bpar (average): 12.017977587925587
swath: IW3
Bperp (average): -41.567150584175245
Bpar (average): 14.882637629261739