Hi Eric:
That seems to be for a time server. He is just using an ordinary PC and
NTP to set it's time.
Have Fun,
Brooke Clarke
http://www.PRC68.com
Eric Garner wrote:
with the assumption that he seems to be fine right after a sync,
(seemingly supported in the OP) reconfiguring the windows time service
to update frequently seems to me to be the easiest answer.
under xp you can do so thus:
http://support.microsoft.com/kb/314054
_eric
On Thu, Jul 29, 2010 at 11:13 AM, Bob Camp<[email protected]> wrote:
Hi
My observation is that the displayed clock on LH can be off by> 10 seconds.
That's with the current beta code and Windows 7 on a quad processor machine
or under XP on a dual core machine.
Bob
-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Brooke Clarke
Sent: Thursday, July 29, 2010 2:04 PM
To: Discussion of precise time and frequency measurement
Subject: [time-nuts] Can Lady Heather Keep Computer Clock On Time?
Hi:
I have a friend who's setting up an observatory and the PC that controls
the telescope needs to have an accurate clock.
The telescope can point to within arc seconds of a star and that implies
that the computer clock needs to be within 50 ms.
If he does a Windows NTP sync first thing in the evening after a few
hours there's too big an error. Running the observatory is like flying
a 747, i.e. there's a lot to do and the time needs to be handled
automatically, not by manual NTP updates.
I know that TAC32 and a Motorola GPS will do this and you have a lot of
options of how it does it. For example at a specified time interval or
when the computer clock differs from GPS by a specified amount of time
(50 ms in this case).
What are the options in LH? I ask because it's a lower cost option then
the Motorola GPS plus TAC32 option or building a NTP time server.
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
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