swath: IW1
Bperp (average): -131.3249481079722
Bpar (average): 81.88927160690162
swath: IW2
Bperp (average): -124.6043681830753
Bpar (average): 91.99041360853147
swath: IW3
Bperp (average): -118.24599177147009
Bpar (average): 99.77166181990617