swath: IW1
Bperp (average): 139.8186844299088
Bpar (average): -89.70121717242084
swath: IW2
Bperp (average): 132.30910593111366
Bpar (average): -100.7909102201696
swath: IW3
Bperp (average): 125.25112603725078
Bpar (average): -109.5967673254897