swath: IW1
Bperp (average): -20.468309840255603
Bpar (average): 56.96411692991378
swath: IW2
Bperp (average): -16.894027274620555
Bpar (average): 58.11751948243612
swath: IW3
Bperp (average): -14.493251948856823
Bpar (average): 58.76511822784097