swath: IW1
Bperp (average): 173.16876391405938
Bpar (average): -83.91255274979471
swath: IW2
Bperp (average): 165.7704007316121
Bpar (average): -97.66082504032828
swath: IW3
Bperp (average): 158.681670440106
Bpar (average): -108.75068594882148