swath: IW1
Bperp (average): 159.216506685118
Bpar (average): -35.13667373084741
swath: IW2
Bperp (average): 155.71343277373194
Bpar (average): -47.743942206190276
swath: IW3
Bperp (average): 152.07658617423894
Bpar (average): -58.150385733335206