swath: IW1
Bperp (average): 75.48232978870918
Bpar (average): 3.85192609849456
swath: IW2
Bperp (average): 75.52827790569242
Bpar (average): -2.2700307299790956
swath: IW3
Bperp (average): 75.19044583351898
Bpar (average): -7.413785869665895