Charles, I've looked at the hot-film sensor and others where one
transistor is held at a constant temperature and the other senses
the ambient air. These are variations of a `Hot Wire' sensor. They
are not really suited to the rugged environment of an anemometer in
a weather station. They are normally used to measure air-flow in a
controlled environment (ie: air duct).

   - Tom

At 06:15 AM 2/10/98 PST, you wrote:
>Hi Tom
>
>Out of curiosity... have you tried the solid state wind speed sensor
>which appeared in (the latest?) electronics now?  I don't have the mag
>here with me but I figure someone must have tried this.  What type of
>accracy can one expect?
>
>Your post was very interesting and also very encouraging for anyone
>looking to make their own station.
>
>Charles
>
>
>
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