swath: IW1
Bperp (average): -69.49231469108383
Bpar (average): 46.01438936802113
swath: IW2
Bperp (average): -65.857324826249
Bpar (average): 51.589023581434525
swath: IW3
Bperp (average): -62.41882768040981
Bpar (average): 55.990456321639805