swath: IW1
Bperp (average): 44.93563742291593
Bpar (average): -44.53467096035669
swath: IW2
Bperp (average): 41.27002395362156
Bpar (average): -48.08489436879416
swath: IW3
Bperp (average): 37.96047250011922
Bpar (average): -50.80636055608152