swath: IW1
Bperp (average): 73.10682876829807
Bpar (average): -19.65508645401085
swath: IW2
Bperp (average): 71.29772113616939
Bpar (average): -25.522124380600925
swath: IW3
Bperp (average): 69.41265231549632
Bpar (average): -30.34274413107734