swath: IW1
Bperp (average): -9.256383256668256
Bpar (average): 2.9330095852131595
swath: IW2
Bperp (average): -9.770067163838997
Bpar (average): 3.383207426296771
swath: IW3
Bperp (average): -10.376214773390359
Bpar (average): 3.7129901182716862