Yo Eric! On Mon, 9 May 2016 17:59:46 -0400 "Eric S. Raymond" <e...@thyrsus.com> wrote:
> Frank Nicholas <fr...@nicholasfamilycentral.com>: > > This is the “/etc/ntp.conf” I used when I ran my NTP server on a > > Raspberry Pi with the Adafruit breakout board (same as current > > hat). I list it because of the “fudge” line. This was commonly > > accepted as the proper fudge settings, especially for time2 - > > 0.350: > > How do we know this will be correct for the HAT? Is that fudge really > associated with the MTK3339 itself, independent of surrounding > hardware? I'm working on this right now, before I share any results I'd like to get a copy of the latest RasPi Timeserver howto, with the #20 setup intructions. As I showed in bug #57 the refclock #46 NMEA fudge in the undocumented mode is not working as expected. ohttps://gitlab.com/NTPsec/ntpsec/issues/57 > > > server tock.usshc.com iburst > > server clock.isc.org iburst > > server tick.apple.com iburst > > What is special about these servers? Well known public stratum 1 with seriously good network connections and publicaly monitored. Unlike a lot of the junk in the pools. You should go here and pick some good one near you: http://support.ntp.org/bin/view/Servers/StratumOneTimeServers You are pretty clode to udel, you should be using that one for sure: http://support.ntp.org/bin/view/Servers/PublicTimeServer000290 rackety.udel.edu : 128.4.1.1 Probably also NIST in MD: http://support.ntp.org/bin/view/Servers/PublicTimeServer000277 time-a.nist.gov : 129.6.15.28 Politeness says you shuold only have one of you chimers polling those. RGDS GARY --------------------------------------------------------------------------- Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703 g...@rellim.com Tel:+1 541 382 8588
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