Ben, The K144XV & Phase lock calibration steps have already been performed. The problem arises when using an external reference oscillator.
Elecraft support emailed. Thanks, John WA1EAZ > On Aug 11, 2020, at 7:14 PM, w4sc <w...@windstream.net> wrote: > > Read the following: > > K144XV manual pp20 > K144XV Reference Oscillator Phase Lock Option Manual. Pp 11 > > Once the K3S 49MHz oscillator is calibrated, leave alone. > > The LOs (plural,,,116MHz and 118MHz) are locked to the 10MHz reference > (which, depending where you are in the 2M band). If there is no 10MHz > reference applied, keeping the desired accuracy may be impossible over a > range of temperature. > > You should be able to attain +- 10Hx accuracy according to the K144XV > manuals. If the 800Hz error cannot be corrected by the procedure outlined, I > suggest contact Elecraft support. > > Ben W4SC > > Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
