swath: IW1
Bperp (average): -87.41532029198625
Bpar (average): 101.02591358543812
swath: IW2
Bperp (average): -79.49383951532434
Bpar (average): 107.49026055538836
swath: IW3
Bperp (average): -72.65471115353523
Bpar (average): 112.36082834449002