[time-nuts] How Rubidiums make their frequency

[bg at lysator.liu.se]

On Thu, April 20, 2006 7:25, Poul-Henning Kamp said:

>>And also, something else i don't understand: Why do
>>the newer GPS satellites rely on Rb standards rather
>>than Cs standards?
>
> They last longer.

And they are less noisy and more stable, up to a day or so.

--

    Björn