swath: IW1
Bperp (average): 113.29183381600902
Bpar (average): -87.99393576141979
swath: IW2
Bperp (average): 105.94415334070555
Bpar (average): -96.74093364205788
swath: IW3
Bperp (average): 99.18152000977845
Bpar (average): -103.66924492578163