On 01/03/2015 06:42 PM, Bob Goodwin wrote:
> On 01/03/15 19:04, Ed Greshko wrote:
<<>>
>> So, you need a local ntp server.....
>>
>> You have 2 workstations getting their time sync from the internet
>> as their access is enabled. One of those could act as a time
>> server.
<<>>
>> -- If you can't laugh at yourself, others will gladly oblige.
> Good, I will give this a try tomorrow
laughing at yourself or using syncing servers to a workstation. ;-)
hi Bob,
along with what Ed Greshko suggested,,,
being that you have mentioned the internet time cost with being on
satellite, you prefer to limit running ntp for clock syncing.
so what is wrong with WWV? surely you can receive WWV on 10 meters from
where you are.
and if so, you can tweak 'drift rate' /etc/adjtime. just check WWV time
every 24 hrs at same time for a week and tweak 'drift rate' to compensate.
after 7 days, check every other day until you get drift to minimal.
lines in /etc/adjtime are;
line 1 numbers:
1st= systematic drift rate in seconds per day,
floating point decimal.
2nd= resulting number of seconds since 1969 UTC of most recent
adjustment or calibration, decimal integer.
3rd= zero, for compatibility with clock(8), decimal integer.
line 2 number:
resulting number of seconds since 1969 UTC of most recent
calibration. zero if there has been no calibration yet
or it is known that any previous calibration is moot.
ie, because the hardware clock has been found, since that
calibration, not to contain a valid time, decimal integer.
line 3:
"UTC" or "LOCAL". setting of the hardware.
you could also use 'hwclock' to adjust /etc/adjtime. see "man hwclock"
for how to use. also, a good article;
http://www.sanfoundry.com/5-hwclock-command-usage-examples-linux/
--
Ευτυχισμένα γενέθλια Χριστού.
happy birthday Jesus.
καλά χριστούγεννα. ευτυχές το νέο έτος.
Merry Christmas. Happy New Year.
peace out.
in a world with out fences, who needs gates.
CentOS GNU/Linux 6.6
tc,hago.
g
.
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