[time-nuts] Reliability of atomic clocks

Michael Wouters michaeljwouters at gmail.com
Sun Mar 27 17:15:00 EDT 2016


Dear Paul,

You are probably thinking of one of these:

Chadsey et al “Maintenance of HP5071A frequency standards at
USNO” in Proc. 29th PTTI, p49-60 (1997)

Chadsey “An automated alarm program for HP5071A frequency
standards” in Proc. 31st PTTI, p649-655 (1999)

Brock et al “End-of-life indicators for NIMA’s high-peformance
cesium frequency standards” in Proc. 34th PTTI, p117-125 (2002)

Cheers
Michael

On Mon, Mar 28, 2016 at 1:50 AM, paul swed <paulswedb at gmail.com> wrote:

> I do not have it but I stumbled into it on the internet. There was one
> paper it was military, naval observatory or NIST and it did indeed show
> failure rates of cesiums of the reference that were owned and it must have
> been 30-50 of them.
> I remember it showed failures of units over years.
> Since it did not at all addres my need I did not keep it.
> Regards
> Paul
> WB8TSL
>
> On Sun, Mar 27, 2016 at 7:53 AM, Attila Kinali <attila at kinali.ch> wrote:
>
> > Moin,
> >
> > Maybe someone here can help me.
> > I am looking for data on the reliability of atomic clocks.
> > I.e. how often and, if possible, how they fail.
> >
> > Unfortunately, if I google for reliability then all that pops up
> > are descriptions of the accuracy and stability of atomic clocks.
> > If I go for MTBF I only get two papers from the 70s that tackle
> > the problem in general, without giving any data.
> >
> > Does someone know where I could find current data about MTBF and
> > failure modes of atomic clocks? Given the number of 5071's installed
> > in labs, there must be at least some data on them....
> >
> >
> >                         Attila Kinali
> >
> > --
> > Reading can seriously damage your ignorance.
> >                 -- unknown
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