[Elecraft] 2M internal transverter stability

[grumss]

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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