swath: IW1
Bperp (average): -102.79231292208905
Bpar (average): 14.524296049972243
swath: IW2
Bperp (average): -101.22996662914967
Bpar (average): 22.89065480690161
swath: IW3
Bperp (average): -99.37896267888661
Bpar (average): 29.82863774225225