swath: IW1
Bperp (average): -106.18003036941676
Bpar (average): 117.51646463534806
swath: IW2
Bperp (average): -96.48780880681478
Bpar (average): 125.58736249396523
swath: IW3
Bperp (average): -87.87304368768952
Bpar (average): 131.75265411106295