swath: IW1
Bperp (average): -18.045601479096447
Bpar (average): -19.428498845115595
swath: IW2
Bperp (average): -19.615646194199687
Bpar (average): -17.90205235820876
swath: IW3
Bperp (average): -20.851198888976942
Bpar (average): -16.51887159369747