swath: IW1
Bperp (average): -18.058865917515327
Bpar (average): -1.015185630402443
swath: IW2
Bperp (average): -18.084956841367486
Bpar (average): 0.44524670500301705
swath: IW3
Bperp (average): -18.015965140306246
Bpar (average): 1.6738766579918356