[Elecraft] K3: REF IN

[David Pratt]

Page 17 of the K3 Owner's Manual (Rev D2) shows an SMA connector for 
"Input for external standard frequency reference" for which a KREF3-EXT 
option purports to be available eventually.  I understand from what has 
been said earlier is that this will be for a 10MHz standard so you will 
need to use the 60kHz MSF signal to lock a 10MHz TCXO or use a GPS, 
Rubidium or Caesium standard.

Elecraft are busy preparing the K144XV for despatch and developing the 
P3, so we might have to wait a while for the KREF3-EXT despite the 
option being shown in the early editions of the K3 manual.

I am told that patience is a virtue.

73

David G4DMP

In a recent message, "Julian, G4ILO" <julian.g4ilo at gmail.com> wrote ...
>
>I live 10 miles from the 60KHz MSF frequency and time standard transmitter
>so it would be rather cool to build a receiver for this and lock the K3
>reference oscillator to it. I see that there is a blanked off hole for an
>external frequency reference on the back of the K3. What would be necessary
>to make use of this?
-- 
David G4DMP
Leeds, England, UK
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