swath: IW1
Bperp (average): -99.33088222867643
Bpar (average): 104.31627654096974
swath: IW2
Bperp (average): -90.6341369825078
Bpar (average): 111.92327164449746
swath: IW3
Bperp (average): -82.89086218215719
Bpar (average): 117.74911306405616