Broadcasting Atomic Clocks (was Re: hayes chronograph)

From: Charles E. Fox <foxvideo_at_wincom.net>
Date: Thu Jul 26 15:18:09 2001

At 07:08 AM 26/07/2001 -0700, you wrote:

>--- Iggy Drougge <optimus_at_canit.se> wrote:
> > Ethan Dicks skrev:
> >
> > >Does anyone have the AT protocol spec for it? I've always been interested
> > >in the concept of a timekeeper that I could read/set from machines that
> > >were not ethernet/NTP-capable...
> >
> > I don't know what it's like in your part of the hemisphere...
>
>Not as nice as that...
>
> > but there's an
> > atomic clock down in Germany which broadcasts its time. IUt's quite easy to
> > obtain clocks which rely on its signal
>
>I have one. It's an add-on for a car with internal and external temp
>sensors. I picked it up when I was in Munich last year and didn't
>realize that you _can't_ set the time manually. I was figuring that it'd
>be fun to have a thermometer, and the fact that we don't have the same
>clock transmitter in the States wouldn't be a problem. It is. I have a
>car thermometer that knows what time it is in Germany.
>
> > Anyway, that should be the optimal timekeeping device, assuming you can
> come
> > up with the hardware and that you're within reach of the transmitter.
>
>There is a transmitter in Colorado, but I am not aware of any hobby projects
>to take advantage of it. They did start building VCRs that could set
>themselves off of a time signal broadcast over PBS stations, but I think I
>heard something about that being a failed program and being discontinued
>at some point. When I heard about it, it suggested to me that if the
>atomic clock radio signal had good propgation characteristics, they would
>have used that instead of a time signal from a TV station, but perhaps it's
>more an issue of Daylight Savings Time.
>
>-ethan
>
> Suggest you check out http://www.thinkman.com/dimension4, It
> will set the time of your computer to any of a number of accurate
> sources, US Navel Observatory, etc. When I got mine a few years ago, it
> was a free download.

                 Regards

> Charlie Fox

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Received on Thu Jul 26 2001 - 15:18:09 BST

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