swath: IW1
Bperp (average): -79.5730798971677
Bpar (average): 48.57327896725214
swath: IW2
Bperp (average): -75.39275497268041
Bpar (average): 54.8512317248016
swath: IW3
Bperp (average): -71.48727814625416
Bpar (average): 59.86512004828132