I haven't seen any NTP Stratum 1 servers with Ref ID=WWVB for years. Current WWVB radios seem to lack a PPS output.
On Wed, Oct 23, 2024 at 1:53 AM Miroslav Lichvar <mlich...@redhat.com> wrote: > On Wed, Oct 23, 2024 at 01:58:56AM +0000, Mike Collins wrote: > > Any ideas where to look ?I'm not actually quite sure i have everything > implemented correctly, but I did as best i could find, on the web, and > nothing had an example with a WWVB board.Everything was GPS based. > > I missed the fact that it's not GPS. > > What WWVB board do you have? I don't have any experience with WWVB. We > have DCF77 around here. There is a lot of noise in that part of the > spectrum. The receiver/decoder needs to be have its own clock to be > able to provide a stable PPS signal and reconstruct the messages > reliably. It cannot compete with GPS, but I think it should have > better stability than 10s of milliseconds. > > -- > Miroslav Lichvar > > > -- > To unsubscribe email chrony-users-requ...@chrony.tuxfamily.org > with "unsubscribe" in the subject. > For help email chrony-users-requ...@chrony.tuxfamily.org > with "help" in the subject. > Trouble? Email listmas...@chrony.tuxfamily.org. > >