swath: IW1
Bperp (average): 178.53529991181642
Bpar (average): -71.96898615227879
swath: IW2
Bperp (average): 172.10284217913264
Bpar (average): -86.19697893116279
swath: IW3
Bperp (average): 165.79809875040095
Bpar (average): -97.7523340676151