swath: IW1
Bperp (average): -20.206697562355686
Bpar (average): 23.560136463902392
swath: IW2
Bperp (average): -19.05299662789662
Bpar (average): 24.80777371891863
swath: IW3
Bperp (average): -18.338979815776725
Bpar (average): 25.69242216956074