[Amps] RF Feedback Problem

[R.Measures]

On Jul 25, 2004, at 9:38 AM, Patrick Hoppe wrote:

> Hello all,
>
>
>
> I have a problem with RF feedback on 20, 40, and 80 meters.  If I run 
> my
> AL-811H, I get RF feedback on those bands.  Nothing on 10 & 15. 
> Everything
> is grounded very well, but it is still there.  Any ideas?
>
Hello, Patrick --- Do you have a coaxial choke balun at the antenna end 
of the feedline?
>
>
> Particulars:
>
> Kenwood TS 570D
>
> Gap Titan DX Vertical
>
> Ameritron AL-811H
>
> Heil Pro-set Plus head phones & boom mic
>
>
>
> Thanks,
>
>
>
> Pat
>
> WW9R
>
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>
>
Richard L. Measures, AG6K, 805.386.3734.  www.somis.org