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Weewx & Belchertown - wind speed is "way off"

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flygpagen:
Hello! I've now run my FO WH2900 for a couple of weeks and have noticed that the wind speed is reported too high. The station transmitts the speed & gust in mph, in my conf-files (weewx.conf & belchertown/skins/skin.conf) I have set the speed to knots. I also have a Wunderground site that gets the data directly from the station, set up using WS View. When I listen to the data sent to the RBPi I see windspeed in mph, and the exact same values are presented on the WU-site (and in my Ecowitt app also).

I then changed units in weewx.conf and skin.conf to be mile_per_hour to see if the values are corrected but instead I get the same speed but written as "mph" instead of "knots". So I wonder where the conversion is made that is not correct. A couple of snippets from the config below.

- I use an MQTT server to push the data to Belchertown. In weewx.conf [StdRESTful][[MQTT]]unit_system = METRIC
- In weewx.conf [StdConvert] is untouched, target_units = US

Since settings in weewx.conf overrides settings in skin.conf this is as far as I know all settings that applies. Is it better to clear the database and use target_units = METRIC to get it right? Removing METRIC for the MQTT provides some interesting results. All other values on the site are correct, only windspeed & gust is wrong.

My Weewx site here.
My WU here.

Thanks in advance!

flygpagen:
This looks more and more like a Belchertown skin issue. Will take this to the github issues.

vinceskahan:
easiest way to check that is to enable a different skin (Standard or Seasons) and see if the same thing exists there.

flygpagen:
Thanks, but it is an issue in Belchertown 1.2. Upgraded to development version and that fixes the problem.

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