swath: IW1
Bperp (average): -75.94634793043858
Bpar (average): 42.4601453738322
swath: IW2
Bperp (average): -72.97710935061215
Bpar (average): 48.62976544697837
swath: IW3
Bperp (average): -70.07737470759766
Bpar (average): 53.524234509909945