swath: IW1
Bperp (average): 144.1215353529087
Bpar (average): -40.406637230545904
swath: IW2
Bperp (average): 140.50521472959716
Bpar (average): -51.85674120683788
swath: IW3
Bperp (average): 136.7056415653171
Bpar (average): -61.26409910944111