swath: IW1
Bperp (average): -66.01330563835243
Bpar (average): 3.3301658390738935
swath: IW2
Bperp (average): -65.58219329060246
Bpar (average): 8.770552749834966
swath: IW3
Bperp (average): -64.89749760132133
Bpar (average): 13.238628782281145