swath: IW1
Bperp (average): 75.8389955488496
Bpar (average): 6.397431990651413
swath: IW2
Bperp (average): 76.13827521404417
Bpar (average): 0.1484640367174466
swath: IW3
Bperp (average): 75.9976816063141
Bpar (average): -5.135670720488214