swath: IW1
Bperp (average): -20.07115387271539
Bpar (average): 41.36043664555875
swath: IW2
Bperp (average): -16.933856585877415
Bpar (average): 42.710806999106495
swath: IW3
Bperp (average): -14.358812947687682
Bpar (average): 43.61699381409784