swath: IW1
Bperp (average): 146.97179351564338
Bpar (average): -65.92846938896714
swath: IW2
Bperp (average): 141.11701411173868
Bpar (average): -77.59327479550367
swath: IW3
Bperp (average): 135.482054485012
Bpar (average): -87.03072590725165