The following is a few ntpq -p outputs. Just random samples over a week.
I seem to periodically have large offset.
I'm open to suggest how to improve this if the numbers don't look
normal.
Please trim the raw data to keep the size of any replies as small as
possible.
remote refid st t when poll reach delay offset
jitter
[]
+235-69-67-68.st 130.159.196.117 3 u 190 1024 377 88.459 -7.813
4.419
*cheezum.mattnor 129.7.1.66 2 u 614 1024 377 63.319 -2.871
4.571
+rigel.jeffkapla 69.164.222.108 3 u 90 1024 377 88.959 -5.622
1.890
+w1-wdc.ipv4.got 10.0.77.54 4 u 86 1024 377 91.660 -5.236
3.399
Your delays look awful. I would hope for 15-30 ms over the Internet.
Either you have a poor connection, or your servers are a continent away.
Can you find servers nearer (in network terms) to you? Have you tried the
pool servers for your region? If you can't improve the delays, you
/might/ get an improvement by polling more frequently, setting maxpoll=9
for example - making the maximum interval 2^9 i.e. 512 seconds.
The obvious improvement is to get a startum-1 server yourself, which may
not cost the earth - perhaps US $30-50 if you have somewhere with a 50%
sky view. I have notes about the Garmin GPS 18x LVC and Sure GPS board on
my NTP page:
http://www.satsignal.eu/ntp/index.html
Cheers,
David
--
SatSignal software - quality software written to your requirements
Web: http://www.satsignal.eu
Email: [email protected]
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