swath: IW1
Bperp (average): -132.06870258005154
Bpar (average): 66.45610344805586
swath: IW2
Bperp (average): -126.25248616788092
Bpar (average): 76.84804121003044
swath: IW3
Bperp (average): -120.73307139950049
Bpar (average): 85.1951855067428