Sandaysoft

I have a good quality adapter and I get little trouble from it and only sometimes get unusual readings.

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Regards, Matt of Brisbane, Australia
Web Site: http://www.localweatherdata.0glo.com

I bought a WS2350 for my wife for Christmas (2012) and when she discovered that it could be attached to a PC she wanted me to set it up. That's when I found out about the widely reported problems with USB adapters - the weird wind speeds, and extreme temperatures. Like other people I tried several different adapters and installed the latest drivers, with no luck. Yesterday, before seeing this thread, I decided to try tweaking the advanced Com port parameters. I changed just one. I doubled the Latency from the default 16 msec to 32 msec and I've had perfectly sensible readings for more than 24 hours now.

Are you using wireless or wired connections from your sensors to the weather console?

If you're using wired connections you should seriously consider adding ferrite beads to the wires, including the wired connection to the weather console. Even with the tweaks to the COM port parameters you may well still get spikes and unusual readings - this is because the wired connections aren't shielded and highly susceptible to interference (they act as glorified aerials). Check out Maplin for the beads http://www.maplin.co.uk/clip-on-ferrites-32799

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MikeC

http://www.christelow.co.uk/Development_Web/files/cumulus.htm
Weather Underground : ICHESHIR59