swath: IW1
Bperp (average): -80.8634736971492
Bpar (average): 32.25355091038084
swath: IW2
Bperp (average): -77.93109693240706
Bpar (average): 38.463910383915156
swath: IW3
Bperp (average): -75.47478282243803
Bpar (average): 43.66603764425404