swath: IW1
Bperp (average): 123.240894081815
Bpar (average): -57.49085737876786
swath: IW2
Bperp (average): 118.2637806415427
Bpar (average): -67.11140842497814
swath: IW3
Bperp (average): 113.4708784278306
Bpar (average): -74.94311925718183