swath: IW1
Bperp (average): 131.6663443437652
Bpar (average): -30.38509717754517
swath: IW2
Bperp (average): 128.67704268650232
Bpar (average): -40.951217531855164
swath: IW3
Bperp (average): 125.491080155217
Bpar (average): -49.62677556076189