[time-nuts] GPS disciplined mechanical clocks

Steve Rooke sar10538 at gmail.com
Thu Mar 5 07:17:14 UTC 2009


2009/3/5 Tom Van Baak <tvb at leapsecond.com>:
>> In the evolution of timekeepers the SHORTT CLOCK was one of the great
>> milestones.
> ...
>> These clock kept very good time.
>> Cheers, Neville Michie
>
> Yes, stability at 1 day was right around 1e-8 for a Shortt.
>
> Stability (ADEV) of one Shortt pendulum clock:
> http://www.leapsecond.com/museum/shortt/
>
> For more details on Shortt and ADEV see:
> http://www.leapsecond.com/hsn2006/ch2.pdf

This is great stuff. Thanks Tom.

73, Steve
-- 
Steve Rooke - ZL3TUV & G8KVD & JAKDTTNW
Omnium finis imminet



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