swath: IW1
Bperp (average): 148.08420941702923
Bpar (average): -53.733574775092485
swath: IW2
Bperp (average): 143.28956436685112
Bpar (average): -65.47260157624893
swath: IW3
Bperp (average): 138.5111908403324
Bpar (average): -75.0635568676211