[Elecraft] K2 S meter calibration drift

[Stewart Baker]

I wonder if other K2 owners have noticed any drift in their S meter =
calibration.

Calibrating the S meter at ambient gives DAC readings of LO=3D186 and =
HI=3D15.
After about 1 hour the DAC readings for the zero and sensitivity are =
LO=3D196 and HI=3D10.
The  repeatability of S meter readings are affected.
 I suspect that it is the AGC threshold shifting, but have not =
investigated as yet.

Any thoughts ?

Stewart G3RXQ

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