swath: IW1
Bperp (average): -82.46426935853472
Bpar (average): 43.83177779878694
swath: IW2
Bperp (average): -78.58677104735682
Bpar (average): 50.215918274770324
swath: IW3
Bperp (average): -75.04547788416433
Bpar (average): 55.37329209217211