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

Azelio Boriani azelio.boriani at gmail.com
Thu Mar 2 03:50:30 EST 2017

These data fles?
every 5 days...

On Thu, Mar 2, 2017 at 12:18 AM, Magnus Danielson
<magnus at rubidium.dyndns.org> wrote:
> 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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