[Elecraft] K3: S meter calibration

[ab2tc]

This is typical for K3s without the Hardware AGC modification. Mine is like
that and I don't appreciate it very much.

Knut - AB2TC


Graham Kimbell (G3TCT) wrote:
> 
> I get very optimistic readings on my S meter above S9.  I calibrated the S
> meter on 7MHz as per instructions and everything seemed ok with SMTR OF
> =26. According to my calculation 50uV is -73dBm. I increased the input and
> got the following readings:-
> 
> -53dBm (should be S9+20) reads 9+30 on 6m and 9+35 on 40m
> -43dBm (sh be S9+30) reads 9+45 on 6m and 9+55 on 40m
> -37dBm (sh be S9+36) reads S9+60 on 6m and would be more on 40m if the
> meter went further.
> 
> Anyone else notice this?
> Should I change the value of SMTR SC and if so, to what?
> 
> Graham
> <snip>
> 


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AB2TC - Knut
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