WWV watches

Frank Gentges fgentges at mindspring.com
Sat Oct 28 09:37:48 CDT 2006


There are watches made that use the 60 kHz LF signal to sync them.  At 
our distance from Boulder, they sync up well sometimes and not so well 
other times depending on time of day and propagation.  Its just a small 
(and probably less well performing) version of the so called "atomic 
clocks" you can buy to hang on the wall.

Frank K0BRA

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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