swath: IW1
Bperp (average): -135.0355345097022
Bpar (average): 124.94790660332364
swath: IW2
Bperp (average): -124.60024920168472
Bpar (average): 135.33377645524808
swath: IW3
Bperp (average): -115.21537590725616
Bpar (average): 143.3888136446543