swath: IW1
Bperp (average): 154.68009771116837
Bpar (average): -102.01803381536979
swath: IW2
Bperp (average): 146.3966241556853
Bpar (average): -114.38001852282844
swath: IW3
Bperp (average): 138.6015147100599
Bpar (average): -124.14322210033504