According to duplexer manufacturers, there is not a "right" length but
there can be a "wrong" length. Some call it an "adverse" length. They
suggest trying a different length if there is a problem. It's impossible
to get a specific length like 1/4 or 1/2. Where do you measure from and
to? From the PA transistors? From the connector? No way to tell, so you
can't.
Chuck
WB2EDV
Mathew Quaife wrote:
> Seems like I might be learning something here. I took for assumption
> that the shortest cable length to from the transmitter to the amp, and
> from the amp to the duplexer was the way to go. Am I to understand that
> a certain length should be used, ie a full wave length perhaps? I have
> some cables lying there, I could try them and see if I notice any
> changes. I know 20 watts will not make the difference, but am rather
> more concerned with spurs that might make it's way out of the repeater.
>
> Mathew
>
>
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