[Elecraft] Problem Tuning K3

[D Remy]

Hey Jim!  I though FT8 was a superb weak signal mode at 5 to 10 watts at the most.  Nevertheless, I’ve had an inconsistent issue similar to yours.  One incident was resolved by backing down on the drive to 20w.  Another time I tuned up way off the chosen frequency such that the tuner had to make some major change.  Then I went back to near the desired frequency and it re-tuned just fine. So, I will be monitoring this thread with great interest to see what other responses you get.  73, David, NS4V


David R. Hourdequin, PE
Specialty Heavy Timber Engineer
828-421-6216

> On Oct 31, 2021, at 15:54, Jim Ruff via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> I’m running a K3, KPA500 and a KAT500. My antenna is an 80m OCFD.  When I operate FT8, the rig tunes perfectly on all bands.  When I was operating SSB in the DX contest this weekend, the rig would not tune on any of the SSB frequencies or bands.  If I turned off the KPA500 and the KAT500, the K3 would tune all bands and frequencies with it’s internal tuner.  Any ideas on what is causing this to happen?Thanks,Jim W7JHR
> 
> 
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