swath: IW1
Bperp (average): -80.64402742078303
Bpar (average): 42.628305391526744
swath: IW2
Bperp (average): -77.15873021763117
Bpar (average): 48.60344310085187
swath: IW3
Bperp (average): -73.82694053876988
Bpar (average): 53.069975003748