swath: IW1
Bperp (average): -104.06723948200828
Bpar (average): 82.89365961076622
swath: IW2
Bperp (average): -96.87342197840074
Bpar (average): 90.88415032898615
swath: IW3
Bperp (average): -90.52457806450617
Bpar (average): 97.18240955208447