swath: IW1
Bperp (average): -44.006829110610184
Bpar (average): 87.50020734441509
swath: IW2
Bperp (average): -46.7667108817524
Bpar (average): 88.28016740343362
swath: IW3
Bperp (average): -51.261321880244104
Bpar (average): 88.30644679889565