[Elecraft] K1 freq shifting

alta [email protected]
Sat Aug 3 20:00:01 2002


Mark ...

I had the same problem.

To correct it, I installed about 2 sq-in of adhesive copper foil 
between the VFO and the bottom cover.  The foil was stuck to a 
capacitor and also soldered into place -- mechanically kept separate 
from the bottem cover.

The K1 also has some temperature drift -- very embarassing during a 
QSO.  To reduce it, I put several layers of Saran wrap between the 
underside and the circuit board.  More importantly, I stuffed some 
slayers of Saran wrap on the upper side around the VFO.  This slows 
the temperature increase due to the heat given off by the RF power 
transistor.

... Reed K7FLY - K1

>
> I'm having a blast with my K1... what a cool rig!
>
> Question:
> If I flex the housing of my K1, I can change the
> receive frequency by several hundred Hertz (depending
> on how much I flex it).
>
> Is this a unique feature of my kit-building skills, or
> is this standard equipment on all K1s?
>
> -Mark K0EX