swath: IW1
Bperp (average): 81.53578091667943
Bpar (average): -56.52511487941397
swath: IW2
Bperp (average): 76.78171899885785
Bpar (average): -62.83851814737823
swath: IW3
Bperp (average): 72.43238451182374
Bpar (average): -67.82431015888383