[time-nuts] My Casio G-Shock watch and other fun stuff
Brooke Clarke
brooke at pacific.net
Thu Jun 21 15:10:21 UTC 2007
Hi Tom:
How was that data taken with, a Microset or some other way?
It's interesting in that it shows the rate was not adjusted.
The Heathkit GC-1000 WWV/WWVH clock adjusted it's rate.
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.precisionclock.com
Tom Van Baak wrote:
>>Now, I cannot actually say that the Casios or any other brands actually
>>discipline their oscillator. I know that the cheap WWVB-locked wall clocks
>>are not disciplined - if they're running fast 2 seconds a day, then every
>>night they just jump back two seconds.
>
>
> Correct. I have heard one or two brands of RC clock use a
> disciplining model but most behave just as you describe.
>
> Example: for plots of a Junghans RC wristwatch gaining
> 160 ms per day, every day, see:
>
> http://www.leapsecond.com/pages/Junghans/
>
> /tvb
>
>
> _______________________________________________
> time-nuts mailing list
> time-nuts at febo.com
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>
More information about the Time-nuts_lists.febo.com
mailing list