[Elecraft] K2 drif problems?

[Vic Rosenthal]

"Julian (G4ILO)" wrote:
 
> I work PSK31 and to be honest I have never noticed drift to be a problem.
> The one respect in which I wonder whether the BFO stability mod may be some
> help is that I set my narrow CW filters up to be centered on 800Hz, same as
> the audio filter, and next time I use them they seem to have shifted the
> passband several tens of Hz one way or the other.

This is exactly what the drift mod fixed in my k2.  

73
Vic K2VCO