swath: IW1
Bperp (average): -179.49801762142974
Bpar (average): 98.26306190876397
swath: IW2
Bperp (average): -171.32260103156898
Bpar (average): 112.51015341835591
swath: IW3
Bperp (average): -163.84241293693034
Bpar (average): 124.02435415567838