swath: IW1
Bperp (average): 91.27689139791589
Bpar (average): -72.77574180841344
swath: IW2
Bperp (average): 84.98095491275676
Bpar (average): -79.87907256927366
swath: IW3
Bperp (average): 79.25265774565914
Bpar (average): -85.42772523817837