swath: IW1
Bperp (average): -216.3934221675464
Bpar (average): 107.19819588377207
swath: IW2
Bperp (average): -207.4189788621551
Bpar (average): 123.97603603694925
swath: IW3
Bperp (average): -198.6649662673382
Bpar (average): 137.09059781173346