swath: IW1
Bperp (average): 169.41887776964492
Bpar (average): -80.97190567650368
swath: IW2
Bperp (average): 162.0872425360127
Bpar (average): -94.48064402522242
swath: IW3
Bperp (average): 155.04879169009075
Bpar (average): -105.35687746828884