[arm-allstar] full duplex RF link

[Patrick Perdue]

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
>