When we raised the 3m sonic, we pinched the cable from the head at the connector (bent it back on itself). This appears to have damaged the cable (high diag and questionable wind direction data), so this morning (June 27) we replaced sonic S/N 0739 with S/N 1124 around 11:30 am.
10/27/08: It appears that S/N 1124 was recalibrated on 7/31/08, so it is possible that these serial numbers are reversed, i.e. we replaced 1124 with 0739.