swath: IW1
Bperp (average): -92.00769211210559
Bpar (average): 49.524623123441486
swath: IW2
Bperp (average): -87.89509055272576
Bpar (average): 56.66994923295863
swath: IW3
Bperp (average): -84.17519204910191
Bpar (average): 62.34746516367607