[aprssig] Weather ?

Geoff geoff-lists at gatwards.org
Tue Dec 29 16:02:38 CST 2009



Just catching up on the backlog of mails here since Christmas J


As mentioned, the warnings you are seeing originate from WXSVR-AU, which is
the Aussie version of your WXSVR.


The reason we use NWS- prefixes is to avoid the need to develop new plugins
for UI-VIEW, Xastir and any other application that handles the weather
warnings - why re-invent the wheel?   


The CWA prefixes used down here are carefully selected so as not to overlap
anything used by the NWS over there, so that you see what you see - warnings
down under exist in the stream but do not trigger on your displays.  We
received input and advice from the guys looking after your WXSVR whilst we
were developing ours, so we made sure that these checks were in place so as
not to step on the US feeds and raise false warnings.


If you want to read more about the WXSVR-AU setup, you can check

All our CWA and PID codes are listed here - you can even grab our shapefiles
and set them up to see what's going on if you like J

(BEWARE that you can have EITHER the Aust files or the NWS files - NOT BOTH)


All the best for the new year

Geoff    VK2XJG




From: aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org] On Behalf
Of Ray Wells
Sent: Tuesday, December 22, 2009 9:26 AM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] Weather ?


I don't recall the details now, but when the idea of weather warnings for
Australia was first suggested, Geoff Gatward (vk2xjg) negotiated with
someone in the US. One requirement was, as I recall, that we didn't
duplicate any US  zone/county names. Accordingly the state of Western
Australia (WA) became WX to avoid conflict with Washington State.

If Geoff is across this list he may care to comment/correct me.

Ray vk2tv

Bill Diaz wrote: 

        The 24 current watch, warning and advisory messages on the APRS-IS
are from Australia.  These include Cyclone warnings, which we do not see
from NWS.  The Australian server is using NWS-ADVIS, NWS-WATCH, and NWS-WARN
even though NWS has nothing to do with these products.  The originating call
sign as seen on APRS-IS not using NWS WFO designators, but designators for
Australian weather offices AFAIK.  Furthermore, the zones or counties in
these messages do not correspond to any of the zones or counties in the US.
        I can assure you NWS has not stopped putting out alerts.  
        The current APRS-IS weather server no longer sends Watches and
Advisories, only warnings.  A filter setting of t/n on port 14580 will
provide whatever is available on the APRS-IS, Australian or US.  There are
currently no US NWS warnings available as far as I can tell.  Nothing will
display on your US map.
Bill KC9XG

-----Original Message-----
From: aprssig-bounces at tapr.org 
[mailto:aprssig-bounces at tapr.org] On Behalf Of Tom Russo
Sent: Monday, December 21, 2009 15:25
To: TAPR APRS Mailing List
Subject: Re: [aprssig] Weather ?
On Sun, Dec 20, 2009 at 08:20:59PM -0500, we recorded a 
bogon-computron collision of the 
 <mailto:mckeehan at mckeehan.homeip.net> <mckeehan at mckeehan.homeip.net>
flavor, containing:

What's the latest with the weather information via APRS? 

I've not been seeing

watches in my local area for a little while now and wonder 

if I've missed some

setting change.

I've got my home station receiving a full feed of WX alerts (that is, I
have a "t/n" in my filter string) and am receiving tons of WX 
alerts --- but
none in my local area, even when major news organizations 
report severe weather
alerts active from NWS.  My guess is that some NWS offices 
have stopped putting
their alerts out to whatever feeds APRS-IS.
Hope that's wrong and there's another setting I can tweak to 
start seeing them
Tom Russo    KM5VY   SAR502   DM64ux          
Tijeras, NM  QRPL#1592 K2#398  SOC#236        
 In some cultures what I do would be considered normal. 
                                 -- Ineffective daily affirmation 
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