swath: IW1
Bperp (average): 128.3102593887603
Bpar (average): -13.053441495450176
swath: IW2
Bperp (average): 126.77133702111013
Bpar (average): -23.213803006887066
swath: IW3
Bperp (average): 124.87837888327016
Bpar (average): -31.593428321953077