swath: IW1
Bperp (average): -70.06440783794415
Bpar (average): 3.2213470155235524
swath: IW2
Bperp (average): -69.31723805643118
Bpar (average): 8.88813383988466
swath: IW3
Bperp (average): -68.44735747748081
Bpar (average): 13.585042202366612