swath: IW1
Bperp (average): -77.44264730707717
Bpar (average): 4.480259538926379
swath: IW2
Bperp (average): -76.57326839121274
Bpar (average): 10.787165821466656
swath: IW3
Bperp (average): -75.41392854817144
Bpar (average): 16.02580398374112