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[aprssig] Accuracy of data on APRS

John L. Wilson jwilson at ncfcomm.com
Sun Jun 10 12:01:25 UTC 2007


Actually, I believe the outdoor sensors have gone bad.  The station also is
reporting on WeatherUnderground as identifier IQLDROCH1.  Looking at the
history on weatherunderground, the station was reporting temperature, dew
point (humidity) and wind until May 1 @ 10:31 at which time everything flat
lined.  For a few days between May 1 and May 7 the station reported
temperature/dew point as 22.4.  At that point the temperature/dew point goes
to 0(F).

http://www.wunderground.com/weatherstation/WXDailyHistory.asp?ID=IQLDROCH1&d
ay=10&year=2007&month=5&graphspan=month


Monty Wilson, AP677
jwilson at ncfcomm.com

-----Original Message-----
From: aprssig-bounces at lists.tapr.org [mailto:aprssig-bounces at lists.tapr.org]
On Behalf Of Russ Chadwick
Sent: Sunday, June 10, 2007 00:06
To: vk4tec at people.net.au; TAPR APRS Mailing List
Subject: Re: [aprssig] Accuracy of data on APRS

Andrew Rich wrote:
> Here is one offender
>
>
>
> CW4487>APRS,TCPXX*,qAX,T2SOCAL:
> @100247z2733.65S/15307.80E_000/000g000t000r000P000p000h00b10082v5
>
>   
Look down to the "Neighboring Stations" section here,

http://weather.gladstonefamily.net/site/C4487

and you'll see the station temperature is different from the surrounding
stations.

It is probably the case that this station is only reporting barometric
pressure and it that case, the packet should be

CW4487>APRS,TCPXX*,qAX,T2SOCAL:
@100247z2733.65S/15307.80E_.../...g...t...b10082v5



Russ  KB0TVJ


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