See TVB's site for an experiment with moving CS standards around... Adrian > Ralph, > > so you're talking about 5.8E-14, right? > I'd think no off the shelf caesium, even when run in a temperature > controlled environment, will get you there. > Well, at a first glance, a 5071A with high performance tube would, if > you keep any environmental effects out. > So you'll likely need to sync them through a reliable and reproduceable > link. > Just a quick shot though. > > Adrian > > Ralph Smith schrieb: >> We have a requirement for approximately ten radio sites to be >> synchronized >> to within 30 ns of each other. Ordinarily you could throw in an >> appropriate GPSDO and be done with it. However, we also have the >> reqirement to be able to operate independent of GPS for up to six days. >> If >> we were able to have each site within line of sight of another, and >> could >> form a network including all sites, we could do differential time >> measurement between the mutually visible sites and correct in that way. >> Unfortunately, that is not the case. Absolute time accuracy is not >> critical, but relative time accuracy is. Does anyone out there have any >> ideas? >> >> Thanks, >> Ralph >> AB4RS >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. >
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