swath: IW1
Bperp (average): 60.46459738737701
Bpar (average): -59.643431244025415
swath: IW2
Bperp (average): 55.411147544085395
Bpar (average): -64.2264853132962
swath: IW3
Bperp (average): 50.98093164010618
Bpar (average): -67.79131050538507