[arm-allstar] Using Allstar as a digital voter system

[Doug Crompton]

The main problem to overcome using the Internet to link remote sites is
time synchronization. This is why GPS is used.  When a remote site switches
you need to be at the same place in the audio and different sites would
have different delays.


*73 Doug*

*WA3DSP*

*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*

On Fri, Aug 2, 2019 at 5:45 PM "Steve L via ARM-allstar" <
arm-allstar at hamvoip.org> wrote:

> Steve, W9SH had a "simple voter" that required no hardware.  I was
> always tempted to give it a try.
>
> His site is down, and I am not where he is these days in terms of
> development:
>
>
> https://web.archive.org/web/20170306120829/http://www.xelatec.com/xipar/simplevoter
>
> On Fri, Aug 2, 2019 at 3:55 PM "Doug Crompton via ARM-allstar"
> <arm-allstar at hamvoip.org> wrote:
> >
> > Here is a link to the RTCM which as far as I know the only current device
> > that would interface the remote sites to the main repeater site. You are
> > right the cost per site would be the RTCM plus GPS and of course you need
> > Internet at each site. The receivers also need to be level and passband
> > equalized (matched) for it to perform properly.
> >
> > http://206.212.254.21/unode_docs/rtcm_%20manual.pdf
> >
> > There is probably other info out there on this. I just did a quick
> search.
> >
> >
> > *73 Doug*
> >
> > *WA3DSP*
> >
> > *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
> >
> > On Fri, Aug 2, 2019 at 3:18 PM "Mike Sullivan via ARM-allstar" <
> > arm-allstar at hamvoip.org> wrote:
> >
> > > I figured I was missing something. Is the RTCM the only interface that
> > > reliably supports it? At $269 apiece, that's gonna hurt the wallet, on
> top
> > > of setting up the PtP linking to make it work standalone.
> > >
> > > Is there a Howto? That would probably brush up my questions on it..
> lol.
> > > Mainly, I'm assuming each receive radio needs an RTCM, as well as the
> > > repeater receiver? We are upgrading our 2 meter machine with an
> amplifier
> > > and new (to us) hardline, once that is done we're hoping to put a
> couple
> > > receivers up to cover dead spots and improve handheld reception. We're
> also
> > > probably going to put up a couple Allstar-linked 440 machines at those
> > > sites too, for local coverage.
> > >
> > > Mike
> > >
> > > On Fri, Aug 2, 2019 at 13:55 "Doug Crompton via ARM-allstar" <
> > > arm-allstar at hamvoip.org> wrote:
> > >
> > > > Voting has been part of Allstar for years and is included in the
> hamvoip
> > > > release. You need hardware to do it - typically an RTCM and GPS.
> > > >
> > > >
> > > > *73 Doug*
> > > >
> > > > *WA3DSP*
> > > >
> > > > *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio
> >*
> > > >
> > > > On Fri, Aug 2, 2019 at 1:53 PM "Mike Sullivan via ARM-allstar" <
> > > > arm-allstar at hamvoip.org> wrote:
> > > >
> > > > > I'm curious, has anyone ever thought of, or attempted a voter type
> > > system
> > > > > using Allstar? I.E. using Allstar as local nodes to several
> receivers,
> > > > > digitally analyzing signal strength, and Allstar picking the
> strongest
> > > > > signal to pass on to the repeater? Would be an interesting and
> > > > inexpensive
> > > > > concept, I would think.
> > > > >
> > > > > Or, am I an idiot and just missed the Howto on that?
> > > > >
> > > > > Mike
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> > > > >
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> > > > >
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