swath: IW1
Bperp (average): -91.26788956734292
Bpar (average): 105.30617926271157
swath: IW2
Bperp (average): -82.72141096980192
Bpar (average): 112.15851478579627
swath: IW3
Bperp (average): -75.21597194998525
Bpar (average): 117.34408233973525