[Elecraft] 2M internal transverter stability

[Brett Howard]

Soon there is going to be an option that will allow one to synchronize
the 2Meter transverter with the K3's LO.  This should help quite a
bit.  In the event that you want stability and accuracy there will
also soon be an option that will allow one to input a 10Mhz reference
and the K3 will regularly calibrate its internal LO using the 10Mhz
input.

~Brett (N7MG)

On Tue, Apr 12, 2011 at 8:00 PM, grumss <grumss at yahoo.com.au> wrote:
> Gday all,
> Ive been playing with a elecraft k3 (with internal 2M).
> Im finding the 2m stability awful! (audible drift on ssb!!!) I thinking of
> putting a murata style crystal heater on the 116mhz? crystal to improve the
> drift.
> I wonder if anybody has tried this or has a better solution?
> cheers, Graham VK3XDK
>
> Hi Again, the modification has been tried.
> It does improve stability a little but doesnt seem to be worth the effort!!
>
> It seems the heat on TX is transferring to the crystal causing it to drift
> (maybe the compensation cant keep up) Raising the crystals off the board may
> help?
>
> There must be some other ways (any ideas anybody??)
>
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