swath: IW1
Bperp (average): -97.11569888079347
Bpar (average): 48.227671335295895
swath: IW2
Bperp (average): -93.3962914803082
Bpar (average): 56.06836299153783
swath: IW3
Bperp (average): -89.77214415556293
Bpar (average): 62.31029607430836