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 > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
