[ntp:questions] OT: high-accuracy atomic clock to be attached outside of the International Space Station

Rick WIdmer yahoo at rickwidmer.com
Wed Dec 16 04:44:07 UTC 2009

On 12/15/2009 2:02 PM, John Hasler wrote:
> Jan Ceuleers writes:
>> Secondly though, is the ISS able to receive GPS signals in order to
>> remove the need for its own high-accuracy clock?
> This appears to be a research-grade clock with epecially good long-term
> stability.
>> Assuming that the accuracy that results would still be good enough?
> I don't think GPS time would be adequate for the planned research.

This page has some info on the science.  Look in the lower right.


One of them is "Absolute synchronization of ground clocks" to within 100ps.


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