swath: IW1
Bperp (average): -84.66668239206179
Bpar (average): 45.02623907640627
swath: IW2
Bperp (average): -81.47262621428425
Bpar (average): 51.91382325282721
swath: IW3
Bperp (average): -78.34718614303699
Bpar (average): 57.37969927299152