swath: IW1
Bperp (average): -83.28356012836787
Bpar (average): 31.25761795645643
swath: IW2
Bperp (average): -80.75173201252346
Bpar (average): 38.082111333090914
swath: IW3
Bperp (average): -78.2437648116722
Bpar (average): 43.85533155931257