[arm-allstar] Receive only node
k6ecm1 at gmail.com
Sun Aug 28 12:59:15 EST 2016
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.
It is a bit more involved than your proposed solution.
From: arm-allstar [mailto:arm-allstar-bounces at hamvoip.org] On Behalf Of Matt
Sent: Sunday, August 28, 2016 8:01 AM
To: ARM Allstar
Subject: [arm-allstar] Receive only node
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?
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