swath: IW1
Bperp (average): 108.0518180718678
Bpar (average): -76.94994766684981
swath: IW2
Bperp (average): 101.73979694513598
Bpar (average): -85.43021555873487
swath: IW3
Bperp (average): 95.7897205197476
Bpar (average): -92.17396615406479