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. http://www.spaceflight.esa.int/users/downloads/factsheets/fs031_10_aces.pdf One of them is "Absolute synchronization of ground clocks" to within 100ps. Rick _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions