Thanks so much to everyone! Very helpful. The dummy load was connected to the main antenna jack, which might then be part of the problem. However, I do use the K144XV internal transverter, so it sounds like I might still need to do the milliwatt calibration.
On Tue, Feb 6, 2018 at 12:06 PM, Jack Brindle <[email protected]> wrote: > John; > > Where did you have the dummy load connected for the milliwatt calibration? > As shown on > page 52 of the K3S manual, it should be connected to the XVTR OUT jack, > NOT the > main antenna jack. > > Note that the milliwatt calibration is optional. If you aren’t planning on > using a transverter, > there is no need to do it. > > Jack, W6FB > > > > On Feb 5, 2018, at 8:59 PM, John Woodard <[email protected]> > wrote: > > > > On Sun, Feb 4, 2018 at 17:45 John Woodard <[email protected]> > wrote: > > > >> I just installed the KXV3B board, upgrading from the KXV3A. When I went > to > >> do the 1mW calibration at the end, the calibration failed because the > SWR > >> was 2.9:1 on 52 MHz. I tried a couple more times, with different dummy > >> loads and cables and found the same result. > >> > >> > >> I then connected an external SWR meter to the dummy load and found that > >> the external SWR meter showed a flat 1:1 SWR with the dummy load (as > >> expected) but the K3 SWR value was always higher, typically 1.4 or > 1.5:1 up > >> to 2.9:1 on 52 MHz into the dummy load. The tuner works perfectly on all > >> bands, however. > >> > >> > >> Has anyone had a similar issue? I can’t quite tell if the problem is in > >> the KAT3 or on the K3 main board, and more importantly what the fix > might > >> be. Also, since the 1mW calibration failed, are there any other > >> workarounds? Many thanks in advance! > >> > >> > >> 73 de John, WK8A > >> > > ______________________________________________________________ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:[email protected] > > > > This list hosted by: http://www.qsl.net > > Please help support this email list: http://www.qsl.net/donate.html > > Message delivered to [email protected] > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

