Sometime ago I installed the K3EXREF which I feed from an external 10MHz double oven Xtal oscillator. I am confident the K3EXREF is installed and configured correctly as when in use and the external oscillator is connected the front panel says REF*CAL with the * blinking. Attempting to change the local oscillator frequency gives the message "Locked" just as the manual says. However, I am puzzled as the local oscillator frequency display slowly drifts down from 49.379.675Hz to 49.379.622Hz over a period of at least an hour from K3 switch on. I leave the external oscillator on permanently. I was expecting the local oscillator to rapidly get to its final frequency. Can someone explain whats happening as I am puzzled?? My firmware is the latest version. Andy G4HUE ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net
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