swath: IW1
Bperp (average): 116.83276776759183
Bpar (average): -4.517491388414807
swath: IW2
Bperp (average): 116.01584716067065
Bpar (average): -13.9492868095625
swath: IW3
Bperp (average): 114.73028568045902
Bpar (average): -21.807832344784273