25.4:1 SWR is what the KX3 reads for a short or an open, if I remember correctly.
Agreed, open it up, make sure everything is tight, include the ribbon cable. wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Apr 17, 2017, at 11:20 AM, Don Wilhelm <[email protected]> wrote: > > Nate, > > Since the problem is intermittent, I would not suspect a problem with an > active component. > > You might want to remove the bottom cover and check to be certain the > hardware on the BNC jack is tight and the LPF on the BNC connector is > properly positioned. You may have to lift the KXAT3 to check - see Figure 43 > of the KX3 Kit Assembly Manual. > > 73, > Don W3FPR > > On 4/16/2017 4:55 AM, nate t wrote: >> Hi, >> I was working with my KX3 earlier today, RX only, using an endfed, while >> running on batteries, RXing WSPR and PSK31. >> After running for a bit, the ATU seemed to stop working. Attempting to >> retune on 40m, it would stick at a 25.4:1 SWR. >> Tried switching down to 20m and it retuned right away to a 1.3:1. Applying >> external power to the unit, I tried tuning again on 40m (battery was >> reporting 10V if I recall correctly); It then tuned the end fed up, but only >> to a 1.7, which it will typically match to a 1.0:1, it would also get stuck >> at the 25.4:1 SWR on some of the attempted tunes. > ______________________________________________________________ > 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]

