[Elecraft] KAT500 drops out during voice peaks

Ken WA8JXM wa8jxm at gmail.com
Thu Feb 3 21:29:11 EST 2022


Something arcing over on voice peaks would do what you describe.   Are
there any weak insulators or spots where something might arc?

Ken WA8JXM

On Thu, Feb 3, 2022 at 7:45 PM David F. Reed <w5sv.dave at gmail.com> wrote:

> It might help if we knew more about the antenna system; what antenna,
> balun, power rating of them vs. power running, RF feed back in shack,
> any other info might help us point at what to look at...
>
> I used to have some similar events, and got rid of them with a
> combination of toroids and current chokes in feed line; was suffering
> too much RF in shack, and this fixed it for me.
>
> 73 de Dave, W5SV
>
> On 02/04/2022 12:20 AM, hawley, charles j jr wrote:
> > I've been having my tuner go to high swr a random voice peak.
> > The utility shows the right settings after a drop out but the Amp Key
> Interrupt box is checked.
> > And the swr showing on the LEDs is high.
> > Not sure what is going on.
> > I get it back to operating at low swr by doing a tune.
> >
> > ​Chuck Hawley
> >   c-hawley at illinois.edu
> >
> >   Amateur Radio, KE9UW
> >   aka Jack, BMW Motorcycles
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