swath: IW1
Bperp (average): -132.97957356544316
Bpar (average): 74.8827296914061
swath: IW2
Bperp (average): -126.25415641831944
Bpar (average): 85.39395761971353
swath: IW3
Bperp (average): -119.78566773789343
Bpar (average): 93.75991481975989