If we took this route, we'd have three categories of KX3 users: (a) wants the ultimate in stability but doesn't need 2 meters; (b) wants 2 meter coverage and is OK with nominal stability; (c) curses me for making the KX3 too small :)
Wayne On Jul 17, 2012, at 4:12 PM, Oliver Dröse wrote: > Nice idea about how to fix it, Wayne. But how would this cure > stability issues on 2 m then? ;-) > > 73, Olli - DH8BQA > > > > ----- Original Message ----- From: "Wayne Burdick" <[email protected]> > To: <[email protected]> > Cc: "Elecraft" <[email protected]> > Sent: Tuesday, July 17, 2012 4:25 AM > Subject: [Elecraft] JT65 requirements,and a possible external > reference-locking option for the KX3 > > >> Lance Collister, W7GJ wrote: >> >>> No experience with the KX3 here yet, but this makes me wonder about >>> the frequency >>> stability on 6m with full throttle out on JT65A mode for 50 seconds >>> out of every >>> other minute, hour after hour.... >>> >>> My K3 has always been rock solid. >> >> Hi Lance, >> >> The K3's oscillator subsystem is a factor of about 10 more expensive >> to manufacture than the one in the KX3. It also takes up about 100 >> times more space, which is the real problem. >> >> But back to JT65. If it turns out the KX3's temperature compensation >> can't provide the stability you'd like, we could design an external >> 10- >> MHz locking module for it. This module would be called a "KX3EXREF" >> -- >> the equivalent of the K3EXREF, which does the same job for the K3. >> >> The only drawback to such a module is that it would have to be >> installed in place of the planned 2-meter module. It would use the >> SMA >> connector as the 10-MHz input. >> >> Would this be of interest? >> >> 73, >> Wayne >> N6KR >> >> >> >> >> >> >> ______________________________________________________________ >> 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 >> >> >> ----- >> E-Mail ist virenfrei. >> Von AVG uberpruft - www.avg.de >> Version: 2012.0.2195 / Virendatenbank: 2437/5135 - Ausgabedatum: >> 16.07.2012 ______________________________________________________________ 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
