swath: IW1
Bperp (average): -55.6767433755856
Bpar (average): 47.92973585163079
swath: IW2
Bperp (average): -51.633703444499076
Bpar (average): 52.242448182055334
swath: IW3
Bperp (average): -47.97489815512758
Bpar (average): 55.60586435406295