[time-nuts] phase/frequency data of real atomic clocks

Magnus Danielson magnus at rubidium.dyndns.org
Wed Mar 1 18:18:14 EST 2017


Hi,

Have you considered the BIPM logs?
While not very high sampling rate, it has lots of clocks over long time.

Time to set something up again.

Cheers,
Magnus

On 03/01/2017 11:36 PM, Attila Kinali wrote:
> Hi,
>
> I have been looking into noise and noise processes in the last couple
> of months. Unfortunately, my seemingly simple question how to simulate
> power law noise (1/f^a noise) properly led me to a wild goose chase
> deep into the mathematical lala-land[1].
>
> In order to verify that I haven't gone completely off the track,
> I would like to check some of the assumptions made with real data.
> Hence I would like to ask, whether people here have continuous
> phase/frequency data of real atomic clocks, and if I could get
> a copy of those, together with a description how it was measured.
>
> I am looking for any kind of atomic clock and any kind of measurement.
> The higher the sample rate and the longer the measurement the better,
> but I will not be picky.
>
> If you know someone who has collected such data, any contact
> information would also be helpful.
>
> Computer generated data does not work in this case, as I want to
> verify that the assumptions made in the mathematical models
> have a foundation in the real physical implementations.
>
>
> Thanks in advance
>
> 			Attila Kinali
>
> [1] For those interested: If you think that calculus or stochastic
> was difficult, imagine what their offspring "stochastic calculus"
> looks like. Now add fractional calculus (half-integrals and
> half-differentials, but nothing about fractals per se) to the
> whole thing and you get fractals waiting around the corner.
>


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