[time-nuts] Portable Time Standard

[Jean-Louis Rault]

Hi Joe

My Casio Lineage 5161 sun-powered radio-controlled wristwatch seems to 
be in accordance with all our requirements

(free advertisement)

73 de Jean-Louis F6AGR

Le 11/01/2019 à 20:57, Joe Hobart a écrit :
> I need a relatively lightweight, self powered, portable clock accurate to 1
> second per month.  Temperatures may range from 10 to 35 C; altitude from 1000 to
> 7000 feet.  Although expensive, some of the marine quartz chronometers appear to
> meet this requirement. ~0.3 PPM.
>
> Does anyone have any experience with these devices?
>
> If so, has anyone tried to detect the probably weak magnetic field generated by
> the clock mechanism for time comparison purposes?
>
> Thanks,
> Joe, W7LUX
>
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