swath: IW1
Bperp (average): 173.66619094976917
Bpar (average): -73.10167888036784
swath: IW2
Bperp (average): 167.12934991471724
Bpar (average): -87.04444620296162
swath: IW3
Bperp (average): 160.7493602010423
Bpar (average): -98.3540813054243