My only caution was that *some* duplexers aren't created equal between
sides; therefore switching sides *may* not be possible. Motorola (and
others) made a few mobile duplexers that had more rejection on the
transmitter side, and simply switching them around wouldn't work
satisfactorily.
Kevin
Eric Lemmon wrote:
>If your duplexer has been properly tuned for your repeater pair, you can
>exchange the high and low sides without any problems. Do NOT try to
>retune the duplexer; it's just fine the way it is. If it worked okay in
>a high-in low-out mode, you can swap sides when you change to low-in
>high-out operation.
>
>73, Eric Lemmon WB6FLY
>
>"T.J." wrote:
>
>
>
>> I have a question for the group about flipping frequencies around on
>>a repeater. I think I know the answer, but I want to make sure before
>>I do or don't do anything. I'm going to swap around the transmit and
>>receive frequencies on a repeater. What I was wondering was, can I
>>just swap the transmit and receive lines between the duplexer and
>>repeater, or does the duplexer have to be retuned for the new reversed
>>transmit and receive frequencies? Thanks for and input that can be
>>provided, T.J.
>>
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