Hey Tom, I suspect the S-Meter app is putting too much of a burden on the serial port. You could try using a lower poll rate, but you'll lose accuracy if you go below 10/sec. See if the problem occurs without the S-Meter running.
Merry Christmas! David, W4SMT --- On Thu, 12/25/08, tom kenville <tom.kenvi...@gmail.com> wrote: > From: tom kenville <tom.kenvi...@gmail.com> > Subject: [Elecraft] K3 --- stopped XMIT during SSB QSO > To: elecraft@mailman.qth.net > Date: Thursday, December 25, 2008, 10:53 AM > Last evening I had an annoying problem with K3. It would > stop transmitting > any signal, even though the red xmit light was lit. > The K3 was driving a 30L1 linear with about 45 watts, a > pretty safe level, > and no ALC connection. I had LP-BRIDGE running, with HRD, > SDR_IF and the > nice little S-meter display application running. SDR_IF > links direct to > HRD. > > I was running PTT mode, keying with the XMIT button. > > I would talk for about 30 seconds, and the signal would > just quit. Happened > many times, to the point I took the rig offline. Each > time, the red light > still glowing. Pressing XMIT twice to toggle PTT off/on > would get my signal > back. But the same symptom would recur a bit later. > > I'd been running the K3+30L1 and HRD (no LP-BRIDGE) > earlier in evening for > about an hour in the same PTT fashion, so I know that setup > worked FB. > > I will do some further experimentation, but I suspect that > there might have > been too heavy a load on the serial interface, causing some > Ucode confusion > in K3. > > The serial setup is using the Elecraft supplied USB-serial > adapter cable, at > 38Kbaud. > > Any thoughts ? > > TNX -- Tom W6TJK > _______________________________________________ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com