swath: IW1
Bperp (average): 82.938486308937
Bpar (average): -2.6758876877739266
swath: IW2
Bperp (average): 83.14029637139458
Bpar (average): -9.338806415989334
swath: IW3
Bperp (average): 83.05165329425697
Bpar (average): -14.94548558915709