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[aprssig] Voice Repeater NO-TONE

Danny Messano danny at messano.net
Mon Nov 5 05:08:35 UTC 2007


DXXX which is already how I know a lot of folks like myself note DPL anyway.
The leading zero is already built in! :)

My vote for the T convention is to stick with something beginning with T,
even if you use TCOR or T000.  I think the dataset looks better with all the
repeaters lined up.

dm

-----Original Message-----
From: aprssig-bounces at lists.tapr.org [mailto:aprssig-bounces at lists.tapr.org]
On Behalf Of Stephen H. Smith
Sent: Sunday, November 04, 2007 11:42 PM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] Voice Repeater NO-TONE

Bob Bruninga wrote:
> Regarding NO-TONE:
>
> The D710 needs to parse it so that when you see someone with their
frequency and tone, then pushing the TUNE button will tune the radio
immediately to that station.
>
> RIght now the D710 does not adjust the tone, but that was because we still
had not standardized on the TNNN at the time.  Now I hope  they will see
that we can get a standard going so that the radio will parse it.
>
> Bob, WB4APR
>
>   
Now THAT is really is forward-looking thinking.   Cool.....


Now to throw a monkey wrench into the works:

How do we accomodate DCS (Digital Coded Squelch) a.k.a DPL ("Digital PL
- Motorola) a.ka. DCG (Digital Channel Guard - GE) a.k.a DCTS (Digital Coded
Tone Squelch - Icom) into this scheme???  

More and more of the newer radios can now encode/decode the 100+ DCS codes
that actually superimposes a continuous stream of digital data, at about
131baud, on the transmitted signal instead of a simple sine wave 
single CTCSS tone.   Sooner or later, we are going to see repeaters 
going to DCS.  Though most likely mostly closed systems with a small group
of hard core "techie" members.



--

Stephen H. Smith    wa8lmf (at) aol.com
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