swath: IW1
Bperp (average): 77.15204267030202
Bpar (average): -3.706022592187439
swath: IW2
Bperp (average): 76.5368669363956
Bpar (average): -9.977375024107433
swath: IW3
Bperp (average): 75.65006180879547
Bpar (average): -15.186270321310648