[Xastir] Wx Alerts

[Brian Webster]

Lynn,
	There are predefined codes that correspond to shape files which can
be downloaded. Sometimes the codes match up with county names and sometimes
a NWS office has defined a more logical zone based on weather patterns for
that area. Not sure if you have a GIS or mapping background but shape files
are a semi standard map file format that have geometry information coded in
to a database record. If an APRS program is able to work with shape files
there is a way to create geographic information through a relational
database table.

I am probably not explain it all that well as I work with mapping files all
the time and it makes sense to me :-)

Maybe this does a better job http://en.wikipedia.org/wiki/Shape_files



Brian N2KGC

-----Original Message-----
From: xastir-bounces at lists.xastir.org
[mailto:xastir-bounces at lists.xastir.org] On Behalf Of Lynn W. Deffenbaugh
(Mr)
Sent: Monday, January 17, 2011 5:02 PM
To: Xastir - APRS client software discussion
Subject: Re: [Xastir] Wx Alerts

Just for my complete understanding, what is CW8048?  I though the NWS 
office codes were 3 characters and that a b/XXX* filter would pick up 
what I need (for instance b/MLB* for my local (Melbourne, FL) weather 
service office?

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

PS.  Realizing that we're getting pretty deep into an off-xastir-topic 
discussion and begging the indulgence of the list.

Guy Story KC5GOI wrote:
> I am still using aprsD on my igate and am able to specify specific alerts
> for my CWA from the feed to go out RF.  For example CW8048.  I only send
out
> the ones for my county, not adjacent ones.  The DFW area frequency is too
> busy as it is.
>
> I have stuck with aprsD for various reasons.  It is not a knock at Pete
who
> is a county away and a friend of mine.
>
> On Mon, Jan 17, 2011 at 3:31 PM, Tom Russo <russo at bogodyn.org> wrote:
>   

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