swath: IW1
Bperp (average): -87.00034705254271
Bpar (average): 45.52936511180506
swath: IW2
Bperp (average): -83.02544390133174
Bpar (average): 52.28171064367194
swath: IW3
Bperp (average): -79.29661940306254
Bpar (average): 57.669347846027144