swath: IW1
Bperp (average): -37.8398943927631
Bpar (average): 40.32803359900819
swath: IW2
Bperp (average): -34.83832739123316
Bpar (average): 42.95186534015688
swath: IW3
Bperp (average): -32.27252155815741
Bpar (average): 44.923381978444425