swath: IW1
Bperp (average): -76.86212894547005
Bpar (average): 41.491387187172904
swath: IW2
Bperp (average): -73.35992341853151
Bpar (average): 47.59481820813843
swath: IW3
Bperp (average): -70.05872502891134
Bpar (average): 52.50875584517117