swath: IW1
Bperp (average): 63.209925986025425
Bpar (average): -70.43845024939439
swath: IW2
Bperp (average): 57.39772335064475
Bpar (average): -75.38288185531489
swath: IW3
Bperp (average): 52.26184112330959
Bpar (average): -79.22010762734998