swath: IW1
Bperp (average): -18.397438827192385
Bpar (average): 73.00495564969289
swath: IW2
Bperp (average): -12.570484948827099
Bpar (average): 74.22870482434502
swath: IW3
Bperp (average): -7.690182905925513
Bpar (average): 74.91321688192487