TAI zone?

Sanjeev Gupta ghane0 at gmail.com
Thu Jun 30 08:46:04 UTC 2011

On Thu, Jun 30, 2011 at 16:09, Guy Harris <guy at alum.mit.edu> wrote:

> The latter is more complicated, given that the orbit and rotational speed
> of the ball in question weren't set up with reference to the energy level
> difference between the two hyperfine levels of the ground state of the
> cesium-133 atom, and that both change over time.

*both*?  Surely, sir, you jest.

I have a Cs atom calibrated by BIPM, preserved in a bottle of snake oil,
which it breaks my heart to sell, but I have an old mother ...

Sanjeev Gupta
+65 98551208     http://www.linkedin.com/in/ghane
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