swath: IW1
Bperp (average): -114.8367100559796
Bpar (average): 116.5482759789606
swath: IW2
Bperp (average): -105.14806326048779
Bpar (average): 125.3358022846795
swath: IW3
Bperp (average): -96.49727545318991
Bpar (average): 132.09200726349437