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Wind issue

From build 3044 the development baton passed to Mark Crossley. Mark has been responsible for all the Builds since. He has made the code available on GitHub. It is Mark's hope that others will join in this development, but at the very least he welcomes your ideas for future developments (see Cumulus MX Development suggestions).

Moderator: mcrossley

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picca
Posts: 22
Joined: Mon 02 Jan 2012 4:35 pm
Weather Station: Davis VP2
Operating System: Debian 11
Location: Valdisotto - Italy
Contact:

Wind issue

Post by picca »

Hi.
I ran into a strange problem. When there is wind, everything works. Instead when there is no wind the data in Cumulus is shown (changing every 5/6 seconds) as in the gif below (14 seconds gif).

Video here (maybe most clear then the gif): https://streamable.com/ss56ea

Meanwhile, the Davis VP2 console always shows 0 instead of:

windspeed":0.0,"winddir":0
windspeed":1.6,"winddir":315
windspeed":0.0,"winddir":0
windspeed":1.6,"winddir":315

... repeated by Cumulus until the wind is really there.


Any idea about the "problem"?
Build 3107 (If I'm not mistaken also present in previous versions but never noticed)


Thank you,
Davide

ezgif-1-60eceada7b19.gif
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freddie
Posts: 2473
Joined: Wed 08 Jun 2011 11:19 am
Weather Station: Davis Vantage Pro 2 + Ecowitt
Operating System: GNU/Linux Ubuntu 22.04 LXC
Location: Alcaston, Shropshire, UK
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Re: Wind issue

Post by freddie »

To me it looks as if there is a small amount of breeze that is occasionally strong enough to move the anemometer cups. That is backed up by your average (10 minute) speed.

It doesn't explain why your console doesn't indicate anything, though.
Freddie
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mcrossley
Posts: 12756
Joined: Thu 07 Jan 2010 9:44 pm
Weather Station: Davis VP2/WLL
Operating System: Bullseye Lite rPi
Location: Wilmslow, Cheshire, UK
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Re: Wind issue

Post by mcrossley »

If this happens again can you switch on both debug and data logging to capture the events, then post the MXdiags file please.
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