swath: IW1
Bperp (average): -69.49474333540246
Bpar (average): 95.8150388323071
swath: IW2
Bperp (average): -61.84795963308528
Bpar (average): 100.96227759616004
swath: IW3
Bperp (average): -55.27821518095692
Bpar (average): 104.76166736160903