WWV watches

[David W. Borden]

Bob,

See this article by Michael A. Lombardi that explains the watch.  The  
antenna is really small and good.

http://tf.nist.gov/general/pdf/1877.pdf

David, K8MMO

On Oct 28, 2006, at 8:58 AM, Bob Bruninga wrote:

> Let me ask AMRAD group a question.
>
> A friend showed me his WWV wrist watch and said it would update any  
> time anywhere from WWV.  I disagreed and said that yes, something  
> with a 1 inch antenna might at some time of the day might just get  
> a strong enough signal to update, but that I doubt it couild update  
> on demand, becaue there are times when the band is no good.
>
> But inside the building he pushed the button and it updated in  
> under 4 minutes which is the specified time to get a setting.
>
> I suspect this is not HF WWF, but must be some commercial signal  
> carried on an FM broadcast statio or ssomething?  Anyone have any  
> ideas?
>
> Bob, WB4APR
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