swath: IW1
Bperp (average): -81.97007449381536
Bpar (average): 41.86180167612445
swath: IW2
Bperp (average): -78.47449398164704
Bpar (average): 48.45750172540017
swath: IW3
Bperp (average): -75.11222771783393
Bpar (average): 53.719305083095904