swath: IW1
Bperp (average): -110.7571717967067
Bpar (average): 110.38375511746828
swath: IW2
Bperp (average): -101.86529461116636
Bpar (average): 118.99680439314052
swath: IW3
Bperp (average): -94.32512600713932
Bpar (average): 125.78452378599538