swath: IW1
Bperp (average): 73.40005913986023
Bpar (average): -44.0085208864573
swath: IW2
Bperp (average): 69.79138684078448
Bpar (average): -49.63086208134763
swath: IW3
Bperp (average): 66.31600178873839
Bpar (average): -54.195528530371156