swath: IW1
Bperp (average): 135.49937105275995
Bpar (average): -45.046281172135544
swath: IW2
Bperp (average): 131.49477008107996
Bpar (average): -56.04733002141974
swath: IW3
Bperp (average): 127.51276981404709
Bpar (average): -64.75331816911277