[weewx-user] Re: Wind direction and wind vector stuck in easterly direction

[mwall]

On Wednesday, October 12, 2016 at 8:32:42 AM UTC-4, Rune Laegreid wrote:
>
> Are there anyone out there that can come up with a way for me to determine 
> if it is the interpretation of the data from Davis Vantage Pro 2 station or 
> it is the weather station itself that causes the issue?
> and if it is a software/parameter issue, where should I start search 
> for a solution?
>

analogous to the first computer support question of "is it plugged in?", 
you might want to check the hardware first.  do you have a camera on it or 
friendly eyeballs nearby the station that could inspect it for you?

a bird once had a rather hard landing on the anemometer arm of one of our 
weather stations.  that, combined with a fastener that had become loose, 
resulted in a 4 or 5 degree angle from vertical.  so all of the wind 
direction readings were biased.

m

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[weewx-user] Re: Wind direction and wind vector stuck in easterly direction

[Rune Laegreid]

Hi and thank you for your replies.
I had no friendly eyes but my own up there. 
The issue was a defect in the anemometer. A replacement anemometer is in 
delivery and I will hopefully be "back in business" within a couple of 
weeks.

Rune.

onsdag 12. oktober 2016 15.11.22 UTC+2 skrev mwall følgende:
>
> On Wednesday, October 12, 2016 at 8:32:42 AM UTC-4, Rune Laegreid wrote:
>>
>> Are there anyone out there that can come up with a way for me to 
>> determine if it is the interpretation of the data from Davis Vantage Pro 2 
>> station or it is the weather station itself that causes the issue?
>> and if it is a software/parameter issue, where should I start search 
>> for a solution?
>>
>
> analogous to the first computer support question of "is it plugged in?", 
> you might want to check the hardware first.  do you have a camera on it or 
> friendly eyeballs nearby the station that could inspect it for you?
>
> a bird once had a rather hard landing on the anemometer arm of one of our 
> weather stations.  that, combined with a fastener that had become loose, 
> resulted in a 4 or 5 degree angle from vertical.  so all of the wind 
> direction readings were biased.
>
> m
>

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[weewx-user] Re: Wind direction and wind vector stuck in easterly direction

[Rune Laegreid]

Finally we are back in on-line with with correct wind measurements again. 
It might be interesting for you to know that the issue was hardware related 
describes as "I think 180 degrees is where the potentiometer transitions 
from a high resistance to a low resistance.  It sounds at though there may 
be an issue with the potentiometer."
The anemometer was replaced under warranty by Scaled Instruments 
. Super service and responsiveness from 
Ryan Wilhour!

Rune. 

mandag 7. november 2016 13.08.17 UTC+1 skrev Rune Laegreid følgende:
>
> Hi and thank you for your replies.
> I had no friendly eyes but my own up there. 
> The issue was a defect in the anemometer. A replacement anemometer is in 
> delivery and I will hopefully be "back in business" within a couple of 
> weeks.
>
> Rune.
>
> onsdag 12. oktober 2016 15.11.22 UTC+2 skrev mwall følgende:
>>
>> On Wednesday, October 12, 2016 at 8:32:42 AM UTC-4, Rune Laegreid wrote:
>>>
>>> Are there anyone out there that can come up with a way for me to 
>>> determine if it is the interpretation of the data from Davis Vantage Pro 2 
>>> station or it is the weather station itself that causes the issue?
>>> and if it is a software/parameter issue, where should I start search 
>>> for a solution?
>>>
>>
>> analogous to the first computer support question of "is it plugged in?", 
>> you might want to check the hardware first.  do you have a camera on it or 
>> friendly eyeballs nearby the station that could inspect it for you?
>>
>> a bird once had a rather hard landing on the anemometer arm of one of our 
>> weather stations.  that, combined with a fastener that had become loose, 
>> resulted in a 4 or 5 degree angle from vertical.  so all of the wind 
>> direction readings were biased.
>>
>> m
>>
>

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