[aprssig] Multiple TNC's connected to one radio

John D. Hays john at hays.org
Thu Oct 26 13:43:34 CDT 2017

It should work, but I can't vouch for specific TNCs.

Another approach would be to use Direwolf (
https://github.com/wb2osz/direwolf) which would give you more sampling

On Thu, Oct 26, 2017 at 9:21 AM, Max Harper <kg4pid at yahoo.com> wrote:

> I would like to connect 2 tnc's to one radio. One would be
> transmitt/recieve and the other recieve only. This would be to test the
> decoding of a couple different tnc's. Am I likely to run into any problems
> connecting the speaker jack audio into 2 tnc's? Would the additional load
> cause me to have to readjust the audio level when I connect/disconnect the
> second tnc? My thoughts are since the speaker jack audio is low impedance
> (8 ohm) and the tnc input is much higher (hopefully) is that it will have
> little to no effect.
> Just thought I'd ask before wasting my time making a cable.
> Max KG4PID
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John D. Hays
Edmonds, WA

   <http://k7ve.org/blog>  <http://twitter.com/#!/john_hays>
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