One problem solved. A new one appears.

[Carl Yaffey]

I recently posted:

> KAT500 utility: can’t connect (KAT500 not responding)
>
> KPA500 utility: connects at 38400 no problem but no info shows in the operate tab. firmware N/A. I try to load firmware and it fails. I tried to force a load (per the manual) with no luck.

I solved this by plugging in the cables one at a time. All utilities working fine now.

New problem:

On 6 meters, with the input power to the KPA500 around 7 watts, I get 200 watts out. But as I increase the input power, the SWR increases and a “hi swr” fault occurs. This happens with 3 different antennas: a 3 el beam, an R8 vertical, and a dipole. All are tuned to low swr via my KAT500.
I have tried connected the beam directly to the KPA with the same result.
This only happens on 6 meters. It used to work fine when I had a K3. I now have a K3S. Is there some setting in either the K3S or the KPA that I should change?



Carl Yaffey  K8NU
Recording studio.
[hidden email]
614 268 6353, Columbus OH
http://www.carl-yaffey.com
http://www.grassahol.com
http://www.bluesswing.com









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[Guy Olinger K2AV]

I would guess that you have a piece of coax and/or connector going bad.
Will be something common in the path from amp to antennas, including a
remote coax switch. Something is arcing

Cables and connectors are forever going bad. Especially the ones we've used
forever and just keep reusing because they're a convenient length. Most
likely something mechanical, too much bending for too many years, etc.

73, Guy K2AV


On Thu, Nov 24, 2016 at 10:00 PM, Carl Yaffey <[hidden email]> wrote:

> I recently posted:
>
> > KAT500 utility: can’t connect (KAT500 not responding)
> >
> > KPA500 utility: connects at 38400 no problem but no info shows in the
> operate tab. firmware N/A. I try to load firmware and it fails. I tried to
> force a load (per the manual) with no luck.
>
> I solved this by plugging in the cables one at a time. All utilities
> working fine now.
>
> New problem:
>
> On 6 meters, with the input power to the KPA500 around 7 watts, I get 200
> watts out. But as I increase the input power, the SWR increases and a “hi
> swr” fault occurs. This happens with 3 different antennas: a 3 el beam, an
> R8 vertical, and a dipole. All are tuned to low swr via my KAT500.
> I have tried connected the beam directly to the KPA with the same result.
> This only happens on 6 meters. It used to work fine when I had a K3. I now
> have a K3S. Is there some setting in either the K3S or the KPA that I
> should change?
>
>
>
> Carl Yaffey  K8NU
> Recording studio.
> [hidden email]
> 614 268 6353, Columbus OH
> http://www.carl-yaffey.com
> http://www.grassahol.com
> http://www.bluesswing.com
>
>
>
>
>
>
>
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]

______________________________________________________________
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Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to [hidden email]