swath: IW1
Bperp (average): 128.2626237889522
Bpar (average): -64.7059695260141
swath: IW2
Bperp (average): 122.52263822993402
Bpar (average): -74.83141994559485
swath: IW3
Bperp (average): 117.10985723183997
Bpar (average): -82.99215183232147