swath: IW1
Bperp (average): -19.68899395452451
Bpar (average): 4.19469076247198
swath: IW2
Bperp (average): -19.52847418493715
Bpar (average): 5.811847188818674
swath: IW3
Bperp (average): -19.267662100359132
Bpar (average): 7.1418666467141625