swath: IW1
Bperp (average): -177.0942385803163
Bpar (average): 168.46307391799118
swath: IW2
Bperp (average): -163.56025042470574
Bpar (average): 181.83921326807467
swath: IW3
Bperp (average): -151.66124556594215
Bpar (average): 192.12622439131488