swath: IW1
Bperp (average): -90.08441111168617
Bpar (average): 88.12039735168935
swath: IW2
Bperp (average): -82.92000863550811
Bpar (average): 94.79216791666592
swath: IW3
Bperp (average): -76.46060055582187
Bpar (average): 100.18009418768567