swath: IW1
Bperp (average): -20.436880154117272
Bpar (average): 25.639146344419686
swath: IW2
Bperp (average): -18.362395037091606
Bpar (average): 27.214182372600586
swath: IW3
Bperp (average): -16.546685716018523
Bpar (average): 28.4099471021763