swath: IW1
Bperp (average): 186.18483057436012
Bpar (average): -57.48822544254224
swath: IW2
Bperp (average): 181.15695261020585
Bpar (average): -72.43990340893231
swath: IW3
Bperp (average): 175.9530834518547
Bpar (average): -84.6165435285376