[arm-allstar] Receive only node

[Matt]

Thanks for the replies.

The repeater logic already gives preference to active remote connections 
and drops local RF input if a remote station is transmitting. This 
prevents local users keying out remote users.

I effectively want to increase the RX footprint of the repeater by 
giving it an extra set of ears in the RX black spots without adding any 
more RF TX.

Matt
M0LMK
> Bob via arm-allstar <mailto:arm-allstar at hamvoip.org>
> 28 August 2016 at 18:59
> This would be fine so long as no two nodes receive a signal from the same
> transmitter. This would result in a phase shifted signal that would sound
> like an echo. If you set it up for an HT (1-5 Watts) then someone comes
> along with a 20 watt or so radio, it would be an issue. This is why the
> voter system was established.
>
> See https://allstarlink.org/voter.html
>
> It is a bit more involved than your proposed solution.
>
> Thanks,
> Bob
> k6ecm
>
> -----Original Message-----
> From: arm-allstar [mailto:arm-allstar-bounces at hamvoip.org] On Behalf 
> Of Matt
> via arm-allstar
> Sent: Sunday, August 28, 2016 8:01 AM
> To: ARM Allstar
> Cc: Matt
> Subject: [arm-allstar] Receive only node
>
> Hi all,
>
> I'm working on getting an allstar node connected to our local repeater
> and have been thinking about setting up some local receive only nodes in
> a couple of local hand held black spots. A good example is the local
> harbour where users can hear the repeater fine but just cant make it in
> on a small hand held radio.
>
> The idea would be to have a small hand held radio programmed to receive
> on a simplex 70cm frequency, feed the audio into the RPi and have this
> connect to the local repeater. The user would just set an odd split in
> their radio so they can TX on the node RX freq and RX on the repeaters
> TX freq. The local node should not transmit at all.
>
> Would this sort of set up be easy to do?
>
> Thanks,
>
> Matt.
>
>
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> Matt via arm-allstar <mailto:arm-allstar at hamvoip.org>
> 28 August 2016 at 16:00
> Hi all,
>
> I'm working on getting an allstar node connected to our local repeater 
> and have been thinking about setting up some local receive only nodes 
> in a couple of local hand held black spots. A good example is the 
> local harbour where users can hear the repeater fine but just cant 
> make it in on a small hand held radio.
>
> The idea would be to have a small hand held radio programmed to 
> receive on a simplex 70cm frequency, feed the audio into the RPi and 
> have this connect to the local repeater. The user would just set an 
> odd split in their radio so they can TX on the node RX freq and RX on 
> the repeaters TX freq. The local node should not transmit at all.
>
> Would this sort of set up be easy to do?
>
> Thanks,
>
> Matt.
>
>
> _______________________________________________
>
> arm-allstar mailing list
> arm-allstar at hamvoip.org
> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>
> Visit the BBB and RPi2 web page - http://hamvoip.org

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