swath: IW1
Bperp (average): 144.03740962951014
Bpar (average): -32.852560577815744
swath: IW2
Bperp (average): 140.87854136636258
Bpar (average): -44.36823102917341
swath: IW3
Bperp (average): 137.51910932138918
Bpar (average): -53.853813489440654