swath: IW1
Bperp (average): -42.076993108358714
Bpar (average): 45.98980563861371
swath: IW2
Bperp (average): -38.28647539126552
Bpar (average): 49.177922280999134
swath: IW3
Bperp (average): -34.91892174943443
Bpar (average): 51.613029693296816