[aprssig] New Writeup On HF APRS Posted To My Website

Cap Pennell cap at cruzio.com
Fri Sep 4 11:46:30 EDT 2009


Lots of good info, Dave.  Unfortunately, some is still a bit different from
some (older?) info on our shared international APRS reference site
http://info.aprs.net  
Sounds like the world's http://info.aprs.net is due for a few more updates
now (by those with confirmed good info).
Thanks for helping!
73, Cap

> -----Original Message-----
> From: aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org] On
> Behalf Of Dave Baxter
> Sent: Friday, September 04, 2009 5:44 AM
> To: TAPR APRS Mailing List
> Subject: Re: [aprssig] New Writeup On HF APRS Posted To My Website
> 
> Hi...
> 
> You explicitly mention 144.390 as the 2m frequency.  You might just
> want
> to change that to something like "2m or 70cms", as After all, the
> frequency used on 2m (and 70cms) APRS is different around the world.
> 
> 
> [Snip]  (From an earlier message)
> 
> Worldwide info:
> - North America 144.390 MHz   Voice Alert = 100 Hz.
> - Australia 144.900 MHz or 145.175  MHz Voice Alert = 91.5 Hz.
> - Europe 144.800 MHz  Voice Alert = 136.5 Hz.  (also Finland & Ireland)
> - Norway Voice Alert = 123 Hz.
> - New Zealand: 144.575 MHz
> - Argentina: 144.930 MHz
> - Japan: 144.640 MHz (KYUSHU region:144.660 MHz.)
> - Russia: 144.800 MHz
> 
> - Australia (VK): 439.100 MHz 1200 baud (in selected areas)
> - Netherlands (PA): 430.5125 MHz 1200 baud
> - Puget Sound, WA: 440.875 MHz 1200/9600 baud
> - Puget Sound, WA: 440.800 MHz 9600 baud
> - Kansas / Missouri: 446.175 MHz 1200 baud (primary, with
> infrastructure)
> - Kansas / Missouri: 441.175 MHz 1200 baud (secondary / special event,
> no infrastructure)
> - US Nationwide Proposed: 445.925 (proposed by Bob WB4APR)
> - New Zealand (ZL): 432.575 MHz 1200 baud allocated but little usage
>  NOTE:  Not all of these have been fully adopted in some countries, so
> this is not the final word. One Australian web site says Voice Alert is
> 123.0 Hz.  However I have been told this is a voice repeater tone used
> especially for  IRLP and EchoLink systems.
> [http://www.russellcoarc.org/aprs.htm  ]
> 
> -- 73, Steve, K9DCI
> 
> [End]
> 
> 
> 
> Otherwise looks good.
> 
> Regards.
> 
> Dave G0WBX.
> 
> 
> > -----Original Message-----
> > From: Stephen H. Smith [mailto:wa8lmf2 at aol.com]
> > Sent: 04 September 2009 12:30
> > To: TAPR APRS Mailing List
> > Subject: [aprssig] New Writeup On HF APRS Posted To My Website
> >
> > I have finally got around to doing the
> > guide/essay/set-of-notes on HF APRS operation that I have
> > intended to to do for some time.
> >
> > It is posted on my website at:
> >
> >      <http://wa8lmf.net/aprs/HF_APRS_Notes.htm>
> >
> > --------------------------------------------------------------
> > ----------
> >
> > --
> >
> > Stephen H. Smith    wa8lmf (at) aol.com
> > EchoLink Node:      WA8LMF  or 14400    [Think bottom of the 2M band]
> > Skype:        WA8LMF
> > Home Page:          http://wa8lmf.net
> >
> > JavAPRS Filter Port 14580 Guide
> >   http://wa8lmf.net/aprs/JAVaprsFilters.htm
> >
> > "APRS 101"  Explanation of APRS Path Selection & Digipeating
> >   http://wa8lmf.net/DigiPaths
> >
> > Updated "Rev H" APRS            http://wa8lmf.net/aprs
> > Symbols Set for UI-View,
> > UIpoint and APRSplus:
> >
> >
> >
> >
> >
> >
> >
> 
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