swath: IW1
Bperp (average): -157.29750464026083
Bpar (average): 41.91402178893645
swath: IW2
Bperp (average): -153.14776438043035
Bpar (average): 54.386909660776794
swath: IW3
Bperp (average): -149.04095473652333
Bpar (average): 64.62804421596411