[time-nuts] Reliability of atomic clocks

paul swed paulswedb at gmail.com
Sun Mar 27 22:08:44 EDT 2016


Titles sound about right. But I don't need them. Someone else was asking.
As I say I stumbled across them and since I don't really have a suite of
Cesiums never saved it. :-)
Thanks
Paul
WB8TSL

On Sun, Mar 27, 2016 at 5:15 PM, Michael Wouters <michaeljwouters at gmail.com>
wrote:

> 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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