[time-nuts] NTP stratum 0

Tim Shoppa shoppa at trailing-edge.com
Sat Jan 14 14:38:59 EST 2006

"Rob Kimberley" <time.bandit at btinternet.com> wrote:
> Stratum 0 has been used in discussions I have seen from people at Datum
> and TrueTime to represent a GPS/NTP reference, but realistically I believe
> that it should be labelled as Stratum 1.

I think that "Stratum 0" has at least two meanings in the NTP context:

A. Part of a KOD message in the protocol.

B. What "ntpq -c peers" says about a locally connected refclock.

(B) isn't unique to Datum/TrueTime GPS's, it's for all refclocks with ntpd


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