> >
> >> Hi All,
> >> 
> >> I am wanting to use one TX from our repeater
> site,
> >> to link to two link RX's, these are on opposite
> >> sides of the repeater.
> >> I was thinking about having two different CTCSS
> >> tones, one for each, and then having the TX
> generate
> >> the two tones together. This way I can use one
> >> freq., but still have some form of control over
> the
> >> links by switching either, or both CTCSS tones
> >> off/on as required.
> >> 
> >> Any ideas, or comments on this setup would be
> >> helpful
> >> 
> >> Regards
> >> 
> >> Kev.

As has been pointed out, there are some problems with
running two different PL tones at the same time, both
on the TX and at the RX sites. It can be done, but it
also can have some problems.

Here is a thought, a possible solution to the problem.
Run a single tone at the TX site, but selectable from
3 choices, say 100.0, 107.2, and 114.8. This can
easily be done by diode switching on a Comm-Spec or
similiar type encoder.

At each RX site, have 2 decoders, one set to a common
tone, maybe 100.0. When this PL is selected, both
sites will be active. At site "A", there will also be
a parallel decoder on 107.2, and at site "B" there
will be a parallel decoder on 114.8. So to run both
sites, 100.0 is selected at the TX site. For site "A"
only, run 107.2, and for site "B" only, run 114.8.
This solution will cost a little more, but will be
much easier to implement and keep running without
problems, using any type of decoder.

Joe

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