swath: IW1
Bperp (average): -70.35698152106681
Bpar (average): 74.79682977626835
swath: IW2
Bperp (average): -64.57946462801333
Bpar (average): 79.97872152229029
swath: IW3
Bperp (average): -59.58891870455384
Bpar (average): 83.91374285257048