Symphonie - Vane Maxima and Minima in SDR and Direction of Gust

The following information pertains to data collected from the original Symphonie (s/n 3090…) loggers. Vane Max values are reserved for direction of gust. Vane Min is never used and is always 0. Each speed channel keeps track of the highest 2 second gust for each 10 minute averaging interval. When that gust occurs, the direction of the gust is also recorded by a corresponding wind vane (if installed).

Vane maximum is only updated when a new maximum occurs. Here is how the 2 second speed gusts are mapped to vane channels:

CH 1 >> CH 7
CH 2 >> CH 8
CH 3 >> CH 9 (if using a vane SCM)
CH 4 (if using a #40 SCM) >> CH 10 (if using a vane SCM)
CH 5 (if using a #40 SCM) >> CH 11 (if using a vane SCM)
CH 6 (if using a #40 SCM) >> CH 12 (if using a vane SCM)

When an anemometer is stopped for the whole interval (either no sensor, no wind, or frozen), Vane Max will be 0. If you are not using a vane SCM on an analog channel, the max value will be the highest 2 second sample for the analog channel itself.