I only see this rarely when I use my open wire antenna. The amp does not do this on my standard dipole fed by coax using a choke.
I have always assumed it was RF but that is only a thought, I have not been able to prove it as yet. Regards Gary On 24 January 2013 00:21, hawley, charles j jr <[email protected]>wrote: > Mine does that too...about the same as yours. I figured it was a small > amount of rf getting into the data cable on occasion. > > Chuck, KE9UW > Lionel Trains, TCA, LCCA, LRRC > aka Jack, BMW Motorcycles BMWMOA #224 > > ________________________________________ > From: [email protected] [[email protected]] > on behalf of [email protected] [[email protected]] > Sent: Wednesday, January 23, 2013 6:38 AM > To: Elecraft Group > Subject: [Elecraft] I: strange behaviour - any ideas? > > Hello Group, > > I'm running KPA500 #1076 with firmware 1.23 installed. It's > connected to my K3 via the elecraft AUX cable and is connected to my > PC via serial to USB adapter cable using FTDI chipset. Interfacing > functions with the PC and K3 work flawlessly. > > It runs perfectly apart from one intermittent peculiarity: > unpredictably, when in QSO, the amp will switch from operate to > standby mode. This does not trigger the Fault indicator and no fault > # is ever reported by the KPA500 to the utility program or to the K3 > LCD. It can't identify any triggers for these auto-tripping events. > I simply return the KPA500 to operate mode and continue the QSO > normally. This occurs on average once per hour of operation, rarely > more frequently. > > Any ideas where to look for the cause? > > Thanks and 73, > > John > VK7JB > > ______________________________________________________________ > 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 > ______________________________________________________________ > 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 > -- *Gary - VK1ZZ Motorhome Portable The Shack* *Elecraft K3 P3 Panadapter KPA500FT KAT500FT** KX3-K * ______________________________________________________________ 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
