----- Original Message ----- > From: "Gary Buhrmaster" <gary.buhrmas...@gmail.com> > > Most of the "brand name" GPS NTP solutions have a clock > with is more than stable enough to survive without GPS > lock for 45 minutes(*). Some of the more expensive units with > temperature controlled oscillators have hold times in the > many weeks. My guess is that the NTP ripples will be > limited to those NTP servers just (or recently) booted > which have not yet achieved a stable clock state.
Do such clocks reduce their advertised stratum when doing so? Or are they always considered "GPS-steered", and therefore there's no meaningful change short-term? -- jra