--- In Repeater-Builder@yahoogroups.com, "Nate Duehr" <[EMAIL PROTECTED]> wrote:
 with all the
> grounds checked to be tied only to ONE end (ground loops are evil
> beasts), cleared up the problem... no more "new Country" in the
> background lightly.
> 
> Nate WY0X
>

That's right, most people ground both ends of shielded audio cable.  
 You should probably be using a shielded pair, with the pair being the
audio circuit, and shield around the pair grounded at only ONE end. 
The goal is to not have any current flowing in the shield.  Shields
are often handled this way in radio stations and other pro audio
applications.   

Laryn K8TVZ


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