swath: IW1
Bperp (average): 178.1658860783722
Bpar (average): -40.08591517798602
swath: IW2
Bperp (average): 174.30494476637523
Bpar (average): -54.30598794806272
swath: IW3
Bperp (average): 170.19393038966902
Bpar (average): -66.00787232813835