[time-nuts] Eclipses and atomic clocks

[iovane at inwind.it]

Time-nuts,
I was wrong with my interpretation.
The clocks were all working ok.
Thanks.
Antonio I8IOV

> I got some private answers.
> Sorry, I've been concise not to bias your thoughts.
> Only, I would precise that for "unlocked" I mean a clock in
> which the crystal is free running not locked to Rb or Cs, and not to lock between clocks,
> Antonio I8IOV
> 
> > Time-nuts,
> > 
> > I have to admit that I have an interest in gravitational 
> > anomalies.
> > 
> > If anybody out there has nothing better to do, here is the 
> > stuff to spend some minutes.
> > In early 90's a Chinese researcher (Zhou) opened a debate 
> > claiming to have observed anomalous behaviour on atomic 
> > clocks during some solar eclipses (Ref 1).
> > 
> > On 1999 a group of German researchers published a report 
> > claiming to have observed nothing anomalous in the comparison 
> > of 4 atomic clocks (Nature magazine, Ref 2).
> > This report seems to have closed the debate among insiders.
> > The report is also available online at 
> > http://www.mpq.mpg.de/~haensch/eclipse/full.html 
> > where they kindly offer the complete data file of their 
> > records, covering 23 days, for further insights.
> > I've downloaded the file and plotted their data. The plot is 
> > uploaded at
> > http://xoomer.alice.it/iovane/clocks.htm
> > Each curve is the comparison of two atomic clocks, as 
> > mentioned in the graph itself.
> > In the graph the x axis is the time in days centered on the 
> > day of eclipse, and the y axis is the relative time delay in 
> > nanoseconds cunulated by each couple of clocks.
> > You time-nuts don't need any more explanations.
> > 
> > My question is:
> > Did any of the clocks run unlocked? If any, what of them?
> > 
> > Thanks,
> > Antonio I8IOV
> > 
> > Ref 1:
> > [Zhou, S. W.; Huang, B. J., "Abnormalities of the time 
> > comparisons of atomic clocks during the solar eclipses", 
> > Nuovo Cimento C, vol. 15 C, no. 2, Mar.-Apr. 1992, p. 133-
> > 137.]
> > 
> > Ref 2:
> > http://www.nature.com/nature/journal/v402/n6763/abs/402749a0.html
> > 
> > 
> > 
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> 
> 
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