swath: IW1
Bperp (average): -90.65748472762262
Bpar (average): 101.33811243093051
swath: IW2
Bperp (average): -82.94713904565278
Bpar (average): 107.98614028870001
swath: IW3
Bperp (average): -76.38109089931233
Bpar (average): 112.99903113868608