swath: IW1
Bperp (average): -129.840567255951
Bpar (average): 121.83649832783435
swath: IW2
Bperp (average): -119.73268729651151
Bpar (average): 131.83506461453794
swath: IW3
Bperp (average): -110.65405845196672
Bpar (average): 139.59625051338725