Kevin, I did that a bunch of years ago both commercially and amateurly.
Equipment involved was native motorola, ge and ef johnson. Did it on 420,
960, 1296 and the 2.5watt, 12.5kHz 450 channels. I built an add on COR
board to the link receivers and forced an SQM disable to the comparator. It
seems to me that is available on screw terminals behind each sqm, if I can
find my manual I will check. I made the carrier hang time between 15
seconds and a minute on the link tx's, also even on PL systems I made the
link tx carriers come up with carrier only. The overall systems were still
mostly PL though.
td
wb6mie
> Date: Wed, 18 Jan 2006 21:06:19 -0500
> From: Kevin Custer <[EMAIL PROTECTED]>
>Subject: Operating a Spectra-TAC Comparator (Voter) without RX encoders.
>
>Hi,
>
>Need some opinions from folks that may be using the (newer) Motorola
>Spectra TAC Comparator as a stand alone voter, using RF links that don't
>transmit all the time. I have some theories on what to do, but I
>thought I would post to see what others have done.
>
>Please be as specific as you can. The comparator I have is the newer
>style that uses Signal Quality Modules that produce a voltage that
>corresponds with the quality of the signal received, not the 3 Micor
>squelch chips.
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