Loves my old Heathkit WWVB unit. Keeps drift in check most days. Pairs nicely with the Spectracom 9383.
Looking at the Microsemi TP-5000 w/ rubidium oscillator. /bill On Thu, Apr 03, 2014 at 10:25:07PM -0400, Rob Seastrom wrote: > > On a tangential note, it's all very nice to say "We have brand X and > like them", but I'd be curious to hear from folks who have deployed at > least four divergent brands with non-overlapping GPS chip sets and > software [*] to keep a conspiracy of errors from causing the time to > suddenly be massively incorrect. Not that this has ever happened in > the past in a single vendor configuration [cough]. > > Along the same lines I'm troubled by the lack of divergent sources > these days - everything seems slaved to GPS either directly or > indirectly (might be nice to have stuff out there that got its time > exclusively via Galileo or Glonass). The sole exception that I can > think of offhand is that I have an office within ground wave of WWVB, > which would be a tasty ingredient. GOES is gone. LORAN is defunded. > And so it goes; all our eggs are in one basket. > > I've thought about posting this request to the NTP developers list, > but maybe someone who's an operator and actually cares about keeping > the byzantine generals sequestered from each other has solved this > problem recently. > > Clues? > > -r > > > [*] to the extent possible; I'm sure that there's a lot of reference > implementation DNA floating around out there) > > > Berry Mobley <be...@gadsdenst.org> writes: > > > We have symmetricom (now microsemi) and are very happy with them, but we > > use the roof mounted gps antennas. They will peer with public ntp severs if > > that would work for you. > > > > David Hubbard <dhubb...@dino.hostasaurus.com> wrote: > > > >>Anyone have recommendations on NTP appliances; i.e. make, model, gps vs > >>cell, etc.? Roof/outdoor/window access not available. Would ideally > >>need to be able to handle bursts of up to a few thousand simultaneous > >>queries. Needs IPv6 support. > >> > >>Thanks! > >>
