I was thinking the same thing. I was wondering how the connection at the 
transmitter looked. My bet would be that this is where the real problem is.

Chuck
WB2EDV


----- Original Message ----- 
From: "Jeff DePolo" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Saturday, June 30, 2007 6:22 PM
Subject: RE: [Repeater-Builder] Cable formula
>> Do you have any thoughts on why or how a well designed Z
>> match could produce cable
>> radiation?
>
> For the feedline to radiate, there would have to be currents flowing on 
> the
> shield.  It would seem to me the only way to get that to happen would be 
> if
> there was an imperfect shield connection at the mating connector at one 
> end
> or the other.  Most Z-matchers I've dissected use a length of wire as an 
> L,
> with shunt trimmer caps.  Assuming the enclosure itself is bonded well to
> the connectors at either end, I can't come up with a good reason why such 
> a
> device inserted in a transmission line would cause shield currents to flow
> absent a connector issue.
>
> --- Jeff

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