If it was just audio then there would be no feedback of the PL/DPL
tones, keeping the repeater locked up.
Good advice though.
Jeff DePolo wrote:
>
> >
> > On 2/23/2010 3:11 PM, Jim WB5OXQ inb Waco, TX wrote:
> > > Is it possible the AM signal is getting into an audio stage
> > instead of the
> > > receiver front end? I had that happen once.
> > >
> > Same here. All audio inteconnects are now tiny coax cables at
> > that site
> > now, installed with shield grounded at ONE end...
> >
> > Nate WY0X
>
> At AM broadcast sites or studios co-located with the transmitter,
> hard-grounding the shield at one end and RF-coupling the shield at the
> other
> end to the equipment ground via caps (0.01 uF as a rule of thumb) is often
> the most effective technique in many situations.
>
> --- Jeff WN3A
>
>
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