swath: IW1
Bperp (average): -104.2948887081704
Bpar (average): 38.23683039584896
swath: IW2
Bperp (average): -100.40467163103403
Bpar (average): 46.4389944591043
swath: IW3
Bperp (average): -96.30052606157155
Bpar (average): 52.917539756436376