swath: IW1
Bperp (average): -184.6978059598831
Bpar (average): 116.33743287778779
swath: IW2
Bperp (average): -174.92133893649537
Bpar (average): 130.40308267947134
swath: IW3
Bperp (average): -166.09952856615297
Bpar (average): 141.44613651745811