[Elecraft] K3 Display frequency calibration

[Jack Berry]

Thanks Don! Don't know how I missed that but I did.


God Bless & Best 73!
Jack - WE5ST
 

________________________________
 From: Don Wilhelm <w3fpr at embarqmail.com>
To: Jack Berry <we5st at yahoo.com> 
Cc: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net> 
Sent: Thursday, October 4, 2012 9:31 PM
Subject: Re: [Elecraft] K3 Display frequency calibration
  
Jack,

Check page 50 of the manual.  I suggest using Method 2.  Use the highest frequency WWV that you can reliably receive, and make certain you are zero beating with the carrier instead of one of the transmitted tones.

73,
Don W3FPR

On 10/4/2012 10:22 PM, Jack Berry wrote:
> I have s/n 3012, factory built. On a few occassions I have been told by a QSO partner that I am tuned a bit high. It has happened infrequently but I decided to check against WWV.
>   Three questions:
> 1) is comparing to WWV a good method to confirm display accuracy? I used my P3 display to center the carrier at 2.5, 5.0, 10.0, 15.0 mHz. The centered carrier spike showed these offsets per WWV transmission;
> 2.500mHz centered at       2.499.962
> 5.000mHz centered at       4.999.972
> 10.000mHz centered at     9.999.984
> 15.000mHz centered at   14.999.995
>   2) If there is a better reference outside a lab, what is it?
>   3) And what is the procedure for correcting a frequency display error? I can't seem to find it in any of the manuals I have.
>   Thanks!Jack - WE5ST
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