[arm-allstar] full duplex RF link

[M Lech]

duplex=0 with linktolink=yes is what he wants. Works perfectly.

73,
Matt W6XC

On Fri, May 3, 2024 at 9:12 PM Patrick Perdue via ARM-allstar <
arm-allstar at hamvoip.org> wrote:

> Just tested, and, yes, duplex=3 does still key the transmitter. So,
> hmm... guess that won't work.
>
>
> On 5/3/2024 6:21 PM, Patrick Perdue wrote:
> > Greetings:
> >
> >
> > A local ham has a repeater connected to Allstarlink via an RF link
> > where internet isn't available at the site, using HamVoIP at a
> > location with internet. He wants this to be a full duplex link.
> >
> > His repeater has a dedicated receiver on one port of the controller.
> > The output of the repeater is gated. So, right now, the link radio is
> > receiving on the repeater's main output frequency and transmitting on
> > the input of the auxiliary receiver. This is configured such that all
> > audio passes across the RC-850 repeater controller at the same time.
> >
> > If he were to add a second radio, dedicating the existing one to RX,
> > and the new one for TX, how would one configure HamVoIP such that a
> > loop doesn't happen?
> >
> > If duplex=3, then whatever is received by the node won't be
> > re-transmitted, but does that still key the TX radio? I think it does,
> > but I'm not entirely sure about that.
> >
> > If duplex=0 or 1 with linktolink enabled, that's still going to repeat
> > the audio, I think, just as duplex=2 would.
> >
> > So, in this situation, given that there is only one transmitter but
> > two receivers on the controller, how do you stop the TX radio from
> > transmitting when the RX radio hears something, and still make it a
> > full duplex link happen?
> >
> > Or, do you?
> >
> >
> > 73
> >
> > N2DYI
> >
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