swath: IW1
Bperp (average): -66.86520604531756
Bpar (average): 118.15857212399185
swath: IW2
Bperp (average): -57.65921540854655
Bpar (average): 122.96341071081837
swath: IW3
Bperp (average): -49.9382968188607
Bpar (average): 126.36057270979714