swath: IW1
Bperp (average): 147.57118285544263
Bpar (average): -67.34872218204991
swath: IW2
Bperp (average): 141.65267068932272
Bpar (average): -78.84907503760981
swath: IW3
Bperp (average): 136.00781594100886
Bpar (average): -88.20072384323946