[aprssig] Weather data format problem

AB9FX ab9fx at aprs.pl
Wed Dec 22 23:35:05 CST 2004

----- Original Message ----- 
From: "David" <dhuff16 at yahoo.com>
To: <aprssig at lists.tapr.org>
Sent: 22 December, 2004 23:15
Subject: [aprssig] Weather data format problem

> 1. I have a question about the weather data reporting
> in the APRS spec.  Currently at my house it is -1
> Fahrenheit, as reported by the APRS string below.
> KC0GFO>APU25N,RELAY,WIDE2,qAS,KC0KTV:@220746z4228.09N/09221.82W_315/005g012t-1r000p000b10230h44\wx-Waterloo
> {UIV32N}
> According to the APRS spec on the TAPR website
> (Chapter 12, page 64, dated 29Aug 2000), temperatures
> below zero are expressed with a negative sign in front
> of them, so my temp is being reported correctly on
> So I am wondering why the web based finders are
> reporting it wrong. The Findu.com website (k4hg cgi's)
> graphs show asymptotes in the temperature graph, and
> current temp not available.  The Jfindu.net site
> (AE5PL) shows basically the same thing, but a temp of
> 0 regardless of the actual temperature.
> <http://www.findu.com/cgi-bin/wxpage.cgi?call=KC0GFO>

I think there should be three digits for temperature. If below zero as -01 
to -99 not -1


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