swath: IW1
Bperp (average): 117.808602188676
Bpar (average): -68.64387708493815
swath: IW2
Bperp (average): 111.84340893640277
Bpar (average): -77.95275083898457
swath: IW3
Bperp (average): 106.25624143210689
Bpar (average): -85.39875841304749