[Xastir] OT: SAME to APRS gateway requirements?

Apostolos Kefalas sv1ljj at raag.org
Fri Oct 18 12:45:08 EDT 2013


I don't know what you mean with 'quiet mode', do you mean Tone Squelch??

But if you can change the destination of APRS alerts with ALTNET and
then... enable ALTNET on your aprs capable handheld to receive only
alert packets.

Regards
Apostolos - SV1LJJ


On Πεμ, 2013-10-17 at 22:47 -0400, qrv at kd4e.com wrote:
> This sounds like an excellent methodology!
> 
> Question: Can APRS alerts be tagged with a tone of some sort to
> break squelch when a handheld is in 'quiet mode'?
> 
> It's often difficult to have a radio squelch open at work, church, etc.
> 
> 
> > Hello folks,
> >
> > we have set-up such a "possibility" in our local weather office. A small
> > RaspberryPI connected to a TM-D700 is getting the weather alerts for
> > Greece and injects them to aprs.fi.
> >
> > But if it fails to connect to aprs.fi (emergency - internet fails), then
> > it sends them to TM-D700 and from there to the local digipeater and
> > across all country!!!
> >
> > Also depending on the severity of the alert, except from the affected
> > regions numbers, a sort message/bulletin is sent!!!
> >
> >
> > Regards
> > Apostolos - SV1LJJ
> >
> >
> > On Πεμ, 2013-10-17 at 11:40 -0500, Jason KG4WSV wrote:
> >> On Thu, Oct 17, 2013 at 9:54 AM, Lynn W. Deffenbaugh (Mr)
> >> <ldeffenb at homeside.to> wrote:
> >>> Were you aware that the NWS alerts are still being (or have been restored
> >>> to) firenet.us?  There is no need to have the same alerts being injected by
> >>> multiple clients/devices.
> >>
> >> This isn't intended for NWR to APRS-IS gatwaying; it's about getting
> >> the data in absence of internet connectivity - e.g. mobile operation,
> >> or at my house when the power is out.  It could be useful for gating
> >> to APRS-RF in unusual situations where igates aren't available, or
> >> aren't gating the data.
> >>
> >>> Although as an educational senior design project, it might be a good
> >>> learning experience.
> >>>
> >>> Also, I wasn't aware that the full information was digitally encoded on the
> >>> weather radio frequencies?  I was under the (possibly mistaken) impression
> >>> that SAME only carried the activation regions, but didn't carry all of the
> >>> zone information that normally appears in the NWS APRS packets.
> >>
> >> I have no idea - that's one of the reasons I'm posting here.  I
> >> haven't done a lot of homework.  I figure a customer that half knows
> >> what he's talking about is good, real-world training for 'em. :)
> >>
> >>> PS.  http://www.aprs-is.net/WX/Default.aspx is a good place to start.
> >>
> >> thanks.
> >>
> >> -Jason
> >> kg4wsv
> 
> 
> 

-- 
Κεφάλας Απόστολος SV1LJJ
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