skipp025 wrote:
>> What would be the simplist, easiest controller to
>> make this happen?
>
> You wrote simple and easy. So that connection might be
> a simple vox circuit from the receiver speaker audio
> to the transmit mic input.
But this is GMRS-it MUST, by law, be CTCSS controlled. And VOX
operation, besides being unreliable, can lead to a carrier squelch
operation if someone takes the mic off-hook.
>
>> Are there cables available that would run from mic
>> connection to controller to mic connection?
>
> Only if speaker or low level audio is available on the
> mic plug of the subject radio. Don't know if the 805
> supplies rx audio to the mic plug without a mod.
I would NEVER use speaker audio for a repeater. Again, all someone has
to do is tweak the volume control and you're effectively off-the-air.
>
>> What would you suggest as far a duplexer for this
>> setup?
>
> Band-pass, band-reject like the Motorhead (motorola)
> t-1500 series are good, but you can derate the repeater
> performance with other less optimal duplexer types.
>
>> Would a 1/4 wave mag mount antennex antenna with a
>> 6' cable run be able to handle the job from atop an SUV?
>
> Sure if it had a proper match and the coax doesn't leak
> to much.
I wouldn't trust a mag mount to last more then a couple of operations
under repeater use. They just go bad too quickly, and repeaters are too
finicky.
But that's me...
--
Jim Barbour
WD8CHL
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