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 > > >________________________________ >______________________________________________________________ >Elecraft mailing list >Home: http://mailman.qth.net/mailman/listinfo/elecraft >Help: http://mailman.qth.net/mmfaq.htm >Post: mailto:[email protected] > >This list hosted by: http://www.qsl.net >Please help support this email list: http://www.qsl.net/donate.html >Message delivered to [email protected] Matt Zilmer, W6NIA -- "Give me six hours to chop down a tree and I will spend the first four sharpening the axe." -A. Lincoln ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

