swath: IW1
Bperp (average): -58.8194008032881
Bpar (average): 58.37649859203616
swath: IW2
Bperp (average): -53.9833251452605
Bpar (average): 62.94512120702874
swath: IW3
Bperp (average): -49.652419036572496
Bpar (average): 66.483352280894