swath: IW1
Bperp (average): 134.34204370474956
Bpar (average): -91.4091932760133
swath: IW2
Bperp (average): 126.50016076324302
Bpar (average): -101.93086216322975
swath: IW3
Bperp (average): 119.25667284081285
Bpar (average): -110.27059375119325