swath: IW1
Bperp (average): -86.84733027005056
Bpar (average): 117.38189359817022
swath: IW2
Bperp (average): -77.70457419838652
Bpar (average): 123.73314094935141
swath: IW3
Bperp (average): -69.91202635931397
Bpar (average): 128.423491460483