swath: IW1
Bperp (average): 140.55822616852785
Bpar (average): -152.70756744749127
swath: IW2
Bperp (average): 128.3371608904871
Bpar (average): -163.70254545768606
swath: IW3
Bperp (average): 117.27583075569542
Bpar (average): -172.11256428336802