swath: IW1
Bperp (average): 74.84834785649964
Bpar (average): 7.699384422607422
swath: IW2
Bperp (average): 75.14299257123788
Bpar (average): 1.6436008784939453
swath: IW3
Bperp (average): 75.01656633890035
Bpar (average): -3.4512614888022495