On 2010-04-13, Dave Baxter <[email protected]> wrote: > In article <[email protected]>, > [email protected] says... >> >> On 2010-04-12, lhommedumatch <[email protected]> wrote: >> > I'm working on a oceanographic vessel >> > ntpgmtaceb is our reference clock that is synchronised with a gps at >> > the beginning of a cruise. >> >> Why not put a Garmin GPS 18 on board the ship and get gps time on the >> whole cruise? >> > > I was going to ask that too. For such an outfit, there are good "COTS" > GPS driven NTP servers just for that sort of application. (Or you can > struggle like some of us to roll your own...) > > There are WWV referenced boxes too (reception should be good with that > size salt water ground plane!) and no doubt a whole host of other > satllite derived things, so you are not tied to one potential point of > failure. As well as any indipendant on-board Rubidium source? > > There must be a valid reason for not going that sort of route, it'd be > enlightening to know why. > > Unless "oceanographic vessel" is a euphamism for something that spends > much of it's time "out of sight of any satellites!" But in dock it is surely not out of sight.
> > Cheers. > > Dave B(G8KBV) _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
