Clock drift. Not strictly a Linux question.

[Ric Moore]

On Fri, 2007-02-16 at 13:16 -0800, Tony Alfrey wrote:
> Ric Moore wrote:
> > On Fri, 2007-02-16 at 07:59 -0800, Tony Alfrey wrote:
> >> Roger Oberholtzer wrote:
> >>> It's Friday. Time for a weekend-think-about-it question.
> >>>
> >>> I think I am doing my maths correct. I am checking a PC's clock against a 
> >>> high-end Trimble receiver (> $2000), using the pulse per second signal. 
> >>> Unless I am doing something wrong, I seem to see a 0.02 % linear (over the 
> >>> time I have looked) drift in the PC's clock (via gettimeofday()) compared to 
> >>> the pulse from the GPS. 
> >> Silly boy, this is clearly a general relativity problem.  The pulse 
> >> you're getting from the GPS is from a geosynchronous satellite, at a 
> >> radius of some 25,000 miles, whereas your box is in Sweden (I seem to 
> >> remember?), where the Earth's crust is particularly thin and so you are 
> >> close to the mantle.  Therefore, the gravitational field at the location 
> >> of your box is considerably higher than at the geosynchronous satellite. 
> >>   And from general relativity, we know that clocks run slower in higher 
> >> gravitational fields.
> >>
> >> This is also why Swedes age slower than the rest of us.
> > 
> > I think you're missing the obvious here, Tony... the higher
> > gravitational field theory patently explains the relative "bustinous" of
> > the Swedish Female. 
> > 
> > My poor spell checker just flat-lined on that one. <cackles> Ric
> >  
> 
> What, more bustinous to resist the increased gravitational field?
> Or the increased bustinous raises the gravitational field?

My Gawwd, Holmes! I think you 'ave IT! <scribbles furiously>
 
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       <eyebrow waggles> Ric
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