Re: K3EXREF and Trimble Thunderbolts

Posted by wayne burdick on Apr 06, 2011; 6:09pm
URL: http://elecraft.85.s1.nabble.com/K3EXREF-and-Trimble-Thunderbolts-tp6242158p6247048.html

No -- Installing a K3EXREF has no impact on VFO use (at any tuning  
rate).

If you adjust REF CAL manually (i.e., with no K3EXREF unit installed),  
you can move the reference in 1-Hz steps, but as Leigh pointed out,  
the steps may not be exactly 1 Hz. This is due to DDS granularity.

Wayne
N6KR

On Apr 6, 2011, at 11:08 AM, [hidden email] wrote:

>
> Leigh,
>
> I'm confused (as usual).
>
> Are you saying that with the K3EXREF I will not be able to make a  
> 1Hz change in
> RX/TX frequency with the VFOs?  That doesn't sound so good to me...
>
> Please explain.
>
> Thanks,
>
> Tom
> N5GE
>
> On Wed, 6 Apr 2011 10:28:43 -0700 (PDT), "Leigh L. Klotz Jr WA5ZNU"
> <[hidden email]> wrote:
>
>
>> My experience with REF CAL shows that turning the knob 1 unit does  
>> not
>> result in a 1Hz shift in the RX frequency.
>>
>> Leigh/WA5ZNU
>
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