swath: IW1
Bperp (average): -141.68176046687887
Bpar (average): 75.13164530393918
swath: IW2
Bperp (average): -135.13750378836218
Bpar (average): 86.43796492030567
swath: IW3
Bperp (average): -128.9286719681882
Bpar (average): 95.53150043890419