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21394Re: Problem with wind values

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  • wuhu_software
    Nov 7, 2012
      Does the gust report incorrectly some of the time or all of the time?

      It would seem that the wind speed would never been correct if broken. Gust should be the highest wind speed over the past 10 minutes.



      --- In wuhu_software_group@yahoogroups.com, "Viktor Shynkarenko" <somesvl@...> wrote:
      >
      > Hello.
      >
      > Thank you for your reply. Today I make some useful action to find problem.
      >
      >
      >
      > I try to find reason of wrong wind data step by step to exclude different
      > part of the system. After each step I made clear data on console and wait
      > for new wind gust data.
      >
      > First, I plug off AC adapter from console and wait for 30 minutes: situation
      > is no change.
      >
      > Second, I change USB cable from PC to console to more shorter: no change.
      >
      > Then, I plug off USB data logger from console: the same, no change.
      >
      > And the last, I move console to the yard, and set it near the ISS (2 meter):
      > the wind data also was wrong.
      >
      >
      >
      > During last step I use diagnostic screen on console both the receipt and
      > transmit. By this statistic there were no any bad packet was transmitted or
      > receipted. Good packets on receipt was 100%, the same is for transmit. And
      > the signal level was very good about -20.-70 dBm, noice level not less than
      > -110 dBm. So I think it is not interference in this case.
      >
      >
      >
      > I read in Davis manual that wind speed measured by reed switch. Can be that
      > this reed became broken or magnetic material from the axis of the anemometer
      > fell off?
      >
      >
      >
      >
      >
      > ----
      >
      > Best regards,
      >
      >
      >
      > Viktor Shynkarenko
      >
      > somesvl@...
      >
      >
      >
      > From: Tom Raymond [mailto:tomr@...]
      > Sent: Wednesday, November 07, 2012 1:48 AM
      > To: 'Viktor Shynkarenko (UA/Kyiv)'
      > Subject: RE: Problem with wind values
      >
      >
      >
      > Hello,
      >
      >
      >
      > Could be radio Frequency interference or a problem with the transmitter
      > board. If there is any radio antennas or anything like that around try
      > moving ISS or you can try getting the transmitter replaced.
      >
      >
      >
      > Tom Raymond
      >
      > Davis Instruments
      >
      > Technical Support
      >
      > support@...
      >
      > 510-732-7814
      >
      >
      >
      > ____________________________________________________________________________
      > ______________
      >
      >
      >
      > From: Viktor Shynkarenko (UA/Kyiv) [mailto:somesvl@...]
      > Sent: Saturday, November 03, 2012 7:04 AM
      > To: Support
      > Subject: Problem with wind values
      >
      >
      >
      > Hi! Yesterday I found a problem with wind values, sometimes in my
      > WeatherLink I discover wind speed 116,5 and 128 mph (fantastic speed). I
      > think that is because ISS lost console for short time. I read it on some
      > forums in internet.
      >
      > But today morning I see 113 km/h (252 mph) on my console (not in WeatherLink
      > SW).
      >
      > What can happened? Also add photo of console with strange value.
      >
      > --
      > Viktor Shynkarenko (UA/Kyiv)
      > e-mail: somesvl@...
      > web: http://www.pechersk.org
      >
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