Are you developing an overshoot from the K4? On Mon, Dec 19, 2022 at 4:00 PM David F. Reed <[email protected]> wrote:
> Lou, > > I appreciate the suggestion, but it is with a K4D, properly cabled, used > to work fine, and does it on some bands but not others... changed the > delay to 15ms and still does it... Also seems to depend on band; for > example, does it on 10m, not on 12m... > > Also, below, I said 2 SWR meters; I meant 3... > > 73 de Dave, W5SV > > On 19-12-22 21:28, Lou Laderman wrote: > > Check the delay setting on your transmitter. You might have a hot > switching issue. I think (but check your manual) that unless you’re using > the KPA1500 with a K3 or K4 without the 15-pin Elecraft interface cable, > you’ll want at least 10ms of delay to avoid that. I had that issue with a > K4 and a PGXL. Default on the K4 is 8ms and the PGXL needed 10ms. > > > > 73, Lou W0FK > > > > Lou Laderman > > Sent from my mobile device > > > > On Dec 19, 2022, at 2:59 PM, David F. Reed <[email protected]> wrote: > > > > My KPA1500 has started faulting inappropriately for High SWR. > > > > I say inappropriately because all 2 of my SWR meters (K4D, KPA1500, > Palstar HF-AUTO) show an SWR of between 1.1:1 and 1.2:1. with just the K$ > transmitting and also with the KPA1500 in fine as it faults out. > > > > Any ideas? > > > ______________________________________________________________ > 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]
