Scott wrote:
>Well, here is the setup, and the problem:
>
>Setup:
>Moto Mitek trunk mobile on 70CM with CAT 250 controller, and control
>head intact (mic disconnected). TX-RX duplexers (GE flavor, 3 cavity)
>retuned. Uses stock tone board for incoming tone, Com-Spec board for
>outgoing. Running about 25W into duplexer.
>
>Problem:
>Worked OK for a month in the shop on a small antenna, about a day at
>the site, then now the RX audio is not there unless you are at the
>site. Also you get a wierd growling like feedback and cycling of the
>TX for a minute.
>
Since you said it worked okay at the shop, I'll assume that the duplexer
isn't insufficient for your needs.
I'd suspect interconnecting coax (from the duplexer to the radio set) or
the antenna and feedline you switched it to.
Put the repeater (duplexer output) on a dummy load and see if the
weirdness goes away. If it does, suspect the antenna and/or feedline
you moved the repeater onto.
Kevin
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