Thanks David, it is as I suppose to be - I will wait for PLL add-on to K144XV for my purposes, no problem as I have stable external now (home made with DB6NT "heater" on Xtal).
Thanks for your report, Lexa, OK1DST Dne 4.11.2010 11:27, David Pratt napsal(a): > Adriana & Lexa - > I have both the external XV144 and the internal K144XV. While they > both have their advantages and disadvantages it all depends on what > you want to use them for. > > For frequency stability the XV144 (with crystal oven) is far superior > although Elecraft are currently doing some work towards reducing the > drift in the K144XV. The internal transverter is fine for FM but I am > finding the frequency drift of mine is unacceptable for CW or SSB > unless your overs are very short. > > I understand that Elecraft are planning to provide a facility to lock > the oscillator of the K144XV to that of the K3 which will cure the > drift problem. > > To sum up, as things are at present, it's the XV144 for performance > but the K144XV for convenience. > > 73 de David G4DMP > > In a recent message, Alexandr Kobranov <[email protected]> writes >> >> As I am now to decide to buy K144XV or stay with some external - let >> me ask here: >> >> What is thermal stability of internal 116/118MHz Xtal osc? >> I mean some experience with JT data mode in EME or similar. Is there >> some drift on 144MHz signal (during longer TX period) and how much >> if any? >> >> Thanks for any practical experience, > > > ______________________________________________________________ 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
