swath: IW1
Bperp (average): -68.66896761897098
Bpar (average): 114.30128039388536
swath: IW2
Bperp (average): -61.330496189764844
Bpar (average): 118.76717934880033
swath: IW3
Bperp (average): -56.15915313827318
Bpar (average): 121.79241114262868