[time-nuts] Surplus Guidelines, was: Rubidium Standard

Glenn glenn at net127.com
Wed Dec 13 11:49:46 EST 2006


On 12/10/06, David Forbes <dforbes at dakotacom.net> wrote:

> Tom Van Baak has compared the stability of some of these devices...
> see the chart at the bottom of the page.
> http://www.leapsecond.com/museum/lpro/

When computing a 1,000s tau Allan Dev., do the measurements need to be
taken back-to-back, ie a 1,000s Tau is 1,000 readings taken in one
1,000s window?

What do you call it if you take 1,000 readings in a 10,000s window and
compute the Allen Dev. from that?

cheers,
glenn




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