NTP with only GPS/PPS flags PPS as falseticker

Nick Burkitt nick.burkitt at nanotok.com
Thu Mar 19 23:57:56 UTC 2020

Okay, Hal. Are your ears burning?

Gary - thanks again for your efforts, and Hal, and Paul Theodoropoulos, 
and Greg Troxel. I've put a couple of bucks in the beer fund in your 
It's been a bit of a slog, but we've fixed at least two problems so far, 
and I understand a lot more than I did going in. We must be getting 
close! :-)


------ Original Message ------
From: "Gary E. Miller via users" <users at ntpsec.org>
To: "Nick Burkitt via users" <users at ntpsec.org>
Sent: 3/19/2020 4:42:37 PM
Subject: Re: NTP with only GPS/PPS flags PPS as falseticker

>Yo Nick!
>On Thu, 19 Mar 2020 23:34:25 +0000
>"Nick Burkitt" <nick.burkitt at nanotok.com> wrote:
>>  >I'm guessing that now you config is clean, you no longer need that.
>>  No, if I allow mindist to assume its default value (1 ms), the
>>  problem - GPS being marked as falseticker - returns. A mindist of 50
>>  ms (or 250 ms) prevents it.
>>  Do you think that there is still some underlying problem that we
>>  haven't yet identified?
>I've already said Yes, many times.
>Hal understands this part much better than I do.
>Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
>gem at rellim.com  Tel:+1 541 382 8588
>	    Veritas liberabit vos. -- Quid est veritas?
>     "If you can't measure it, you can't improve it." - Lord Kelvin
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