Estimated Error at rowan.oak-wood.co.uk

Estimated Error over 24 hours

Sampled every 5 minutes, averaged over 5 minutes

Estimated Error over 7 days

Sampled every 5 minutes, averaged over 30 minutes

Estimated Error over 1 month

Sampled every 5 minutes, averaged over 3 hours

Estimated Error over 3 months

Sampled every 5 minutes, averaged over 6 hours

Estimated Error over 1 year

Sampled every 5 minutes, averaged over 1 day

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Service notes

14 Jun 2016: 08:00 UTC MSF clock offset adjusted -0.6ms
13 Jun 2016: 19:30 UTC Migrated time service from ntpd to chrony
10 Jun 2016: 08:48 UTC MSF clock downgraded to stratum 1
10 Jun 2016: 08:48 UTC MSF clock time fudge adjusted +0.6ms
09 Jun 2016: 15:00 UTC Added local GPS synced stratum 1 as preferred peer
31 May 2016: 13:30 UTC MSF clock time fudge adjusted -0.2ms
31 May 2016: 09:40 UTC MSF clock time fudge adjusted -0.2ms
30 May 2016: 12:20 UTC MSF clock time fudge adjusted +17ms
26 Mar 2016: 20:00 UTC Server completely rebuilt on Ubuntu 14.04
27 Oct 2015: 11:18 UTC MSF clock time fudge adjusted -17ms
09 Aug 2015: 09:10 UTC MSF clock time fudge adjusted +1.3ms
16 Aug 2014: 09:04 UTC MSF clock time fudge adjusted -2.9ms
29 Sep 2009: 18:00 UTC moved to new server, renamed ntp.oak-wood.co.uk
17 Jan 2008: 12:00 UTC clock time fudge adjusted -5.5ms
05 Feb 2006: 14:30 UTC Completed rebuilding machine in new case with
                improved air flow and cooling
02 Dec 2004: 18:53 UTC Further experimental adjustments to maxpoll -
                ref clock to 6, all others to 10. Restarted
23 Nov 2004: 22:48 UTC Set maxpoll for ref clock to 8 and restarted
18 Nov 2004: 23:00 UTC Unconfiged pps
17 Nov 2004: 16:05 UTC Upgaded ntpd to dev version that allows reduced polling of 
                non reference clocks. Restarted ntpd
14 Nov 2004: 22:30 UTC Upgraded and restarted ntpd
13 Oct 2004: 17:30 UTC on. Several short losses of connectivity during the evening
12 Oct 2004: 10:00 UTC on. NTP affected by unusual network delays on connection
 9 Oct 2004: 09:25 UTC reboot in attempt to sort out ntpd instability
 8 Oct 2004: 22:40 Unknown problem developed. ntpd all over the place for several hours
 7 Oct 2004: 00:00 UTC Huge traffic surge begins, with spikes every 10 minutes
 3 Oct 2004: 09:00 UTC Power outage for 1h20
20 Sep 2004: 08:00 UTC MSF scheduled annual maintenance begins. Scheduled 
                completion October 4 2004
10 Aug 2004: 18:05 UTC Corruption in Perl caused failure of stats collecting
                for around 1.5 hours. ntpd is not known to have been affected.
 2 Aug 2004: MSF clock time fudge adjusted by -0.3ms. 19:10 UTC
29 Jul 2004: MSF clock time fudge adjusted by +1.2ms. 19:57 UTC
29 Jul 2004: PSU replaced around 18:00 UTC
28 Jul 2004: Emergency (and temporary) hardware maintenance around 21:00 UTC. PSU fan failure
 7 Jul 2004: MSF clock time fudge adjusted by -1.8ms
 6 Jul 2004: MSF scheduled downtime
11 Apr 2004: Further 45 minute power outage around 16:15 UTC
 9 Apr 2004: Several short power outages during the day
19 Jan 2004: Power outage around 03:00 UTC
16 Jan 2004: MSF clock time fudge adjusted by -0.5ms
 6 Jan 2004: MSF scheduled downtime 10:00 - 14:00 UTC

Generated at 05:18:29 GMT on Thursday, 7 July 2022