Sounds like you are in need of a choke somewhere or a grounding issue. David G3UNA
> On 07 December 2021 at 13:26 Tom Boucher <tomg3...@gmail.com> wrote: > > Tom > > I've found that pressing tune again, immediately after a tune sequence > sets it off to do "fine tuning" which might help. > > David G3UNA > > Thanks David - yes I've tried that, but it still ends up with a poor > indicated SWR. Also cleaned up and tightened the screwed pillar in the KAT3 > corner, tightened up the 3 LPA screws underneath. It's very strange! > > 73, > Tom G3OLB > > On Tue, 7 Dec 2021 at 12:21, CUTTER DAVID < d.cut...@ntlworld.com > mailto:d.cut...@ntlworld.com > wrote: > > > > Tom > > > > I've found that pressing tune again, immediately after a tune > > sequence sets it off to do "fine tuning" which might help. > > > > David G3UNA > > > > > On 07 December 2021 at 11:59 Tom Boucher < tomg3...@gmail.com > > mailto:tomg3...@gmail.com > wrote: > > > > > > > > > Thanks NK7Z, NK7I and K8CN for responses. > > > > > > Dave and Rick indicated that running the K3 at a higher power > > level during > > > the ATU Tune sequence might solve the problem however, as far as > > I can see, > > > the power level is fixed at 5 watts during auto tune and cannot > > be altered. > > > > > > Mike, there is no problem with the Ant 1 and Ant 2 ports and > > manual > > > selection of L & C works OK. The ATU just won't end up with the > > right > > > settings for lowest SWR. The problem has not always existed. > > > > > > 73, > > > Tom G3OLB > > > ______________________________________________________________ > > > Elecraft mailing list > > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > > Help: http://mailman.qth.net/mmfaq.htm > > > Post: mailto: Elecraft@mailman.qth.net > > mailto:Elecraft@mailman.qth.net > > > > > > This list hosted by: http://www.qsl.net > > > Please help support this email list: > > http://www.qsl.net/donate.html > > > Message delivered to d.cut...@ntlworld.com > > mailto:d.cut...@ntlworld.com > > > > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
