swath: IW1
Bperp (average): 59.12988330915353
Bpar (average): -35.477148666734394
swath: IW2
Bperp (average): 56.438073582318545
Bpar (average): -39.8329623225983
swath: IW3
Bperp (average): 53.65460835303477
Bpar (average): -43.5132103094483