[Elecraft] K3 External Frequency Reference Questions

[Matt Zilmer]

My experience was similar, using a Thunderbolt.  I won't duplicate
Bayard's narrative, except to emphaisze using ESD precautions when
working inside any transceiver.

73,
matt
W6NIA

On Thu, 18 Sep 2014 17:32:04 -0700, you wrote:

>I installed a K3EXREF and set up a Trimble Thunderbolt a few months
>ago, and I've been very happy.
>
>The K3EXREF was very easy to install - just remember that it's a very
>good idea to use a static mat and wrist strap whenever you dive into
>the inside of a K3. The instructions were quite clear, and since I'd built
>my K3 from the kit, it was an easy procedure.
>
>I don't have any experience with rubidium disciplined oscillators, but
>I would suggest you take some time to read through the Time-Nuts
>mailing list; the archive is at
>
>time-nuts Info Page
>  
>             
>time-nuts Info Page
>time-nuts -- Discussion of precise time and frequency measurement   About time-nuts   
>View on www.febo.com Preview by Yahoo  
>  
>
>I was able to get a lot of good information there, and although I didn't subscribe
>and therefore don't know about any recent discussions, there is a treasure trove
>of details about the use of various disciplined oscillators, including rubidiums.
>
>In addition, I know that Down East Microwave has, among a lot of other things,
>a distribution box for 10MHz signal sources so that you can feed the K3 from
>one port and feed the LO for a transverter off of another, and they also have LO
>modules that incorporate PLL/VCOs that can sync to external 10MHz references.
>
>And, yes, it's a heady feeling to know that, at least on HF, your K3 displays
>your frequency right down to the nearest Hz. There is a write-up in the K3EXREF
>documentation that explains that it's a real good idea to jot down the frequency
>of the master oscillator so that if your external reference fails, you can tell the K3
>what you want it to set itself to, so that it doesn't jump to some arbitrary frequency.
>
>73 de N1HO
> 
>
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Matt Zilmer, W6NIA
--
"Give me six hours to chop down a tree and I will
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