swath: IW1
Bperp (average): -61.48542851978677
Bpar (average): 20.682906147996455
swath: IW2
Bperp (average): -59.76277086873008
Bpar (average): 25.385990684980253
swath: IW3
Bperp (average): -57.97079636352613
Bpar (average): 29.29979636946506