[Elecraft] K3EXREF issue? K3

Gary Smith Gary at ka1j.com
Sat Oct 20 20:39:06 EDT 2018


I noticed CW stations were a bit off from 
the P3 and thought I needed to 
re-calibrate the P3 again. I did so and 
still encountered issues. I have the 
K3EXREF installed and it has been working 
fine for some time now with the GPSDO 10 
MHz source.

On a hunch I looked at the K3 REF CAL 
results and the asterisk is not flashing. 
I rebooted the GPSDO and the K3 but no 
asterisk. I checked the cables and all are 
intact. I pressed the #2 button for XREF 
IN & no change, same if I tap it again for 
XREFOUT.

It's either the GPSDO failed, the K3EXREF 
board has failed or something else.

Any suggestions?

73,

Gary
KA1J


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