swath: IW1
Bperp (average): -45.03451039783073
Bpar (average): 73.12333016185102
swath: IW2
Bperp (average): -40.51367486684879
Bpar (average): 76.08538125449464
swath: IW3
Bperp (average): -37.20307600437886
Bpar (average): 78.15804705732108