[Elecraft] Alignment and Test Part II
Don Wilhelm
w3fpr at embarqmail.com
Sun Aug 1 09:37:43 EDT 2010
Brian,
That is entirely normal. Which one of the 3 methods mentioned are you
using to calibrate the 4 MHz reference?
1) Measure the TP3 frequency with an accurate external counter - adjust
C22 until the K2 display matches the external counter.
2) Listen to the 4 MHz signal with another receiver - tune C22 until
right on 4 MHz.
3) Just set the C22 trimmer slot to the midpoint.
Actually a better method (greater accuracy) exists - wait until you have
completed the K2 and you can receive 10 MHz ((or 15 MHz) WWV, then use
the N6KR method. You can find the "How-To" on my website www.w3fpr.com
article on K2 Dial Calibration.
73,
Don W3FPR
Brian Denley wrote:
> While doing the 4 MHz Oscillator calibration, CAL FCTR shows 12100.10 which
> seem nominal. But adjusting C22 doesn't allow me to change it very much at
> all, maybe a few hundred Hz. It this normal?
> Thanks for any help.
>
>
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