10/7, twh
Compared 2D sonic 10m wind directions to 3m sonic in order to orient 2D sonics. Only used winds from +/- 20 degrees from CSAT u axis and 10m wind speeds > 3 m/s (at FAR).
Selected the median value of Dir.10m - dir.3m. At FAR this is 3.2 +/- 4.6 degrees. See attached. 