Re: GPS Unit for Timekeeping on Linux?

prep_at_prep.synonet.com
Date: 11/16/04


Date: Tue, 16 Nov 2004 20:29:51 +0800


"W. Watson" <wolf_tracks@invalid.inv> writes:

> I have a meteor application that operates a camera from sundown to
> sunrise, and the more accurate the times the better. Right now the
> drift is in the order of several minutes per month. Synching once a
> day might do the trick, but I'd like to see it automated, so that I
> wouldn't have to dial up the internet. If the application were near
> my most frequently used computer, the one in my house, I'd probably
> be inclined to manually update the time by the network every day;
> however, it is a building 100 feet away and going out there every
> day is not something I think about much.

Go read the NTP stuff, and remember you can use the GPS to discipline
your clock without a network conection. You should be able to get to
sub-ms accuracy with ntp, and your time will be matchable with other
sites as well.

-- 
Paul Repacholi                               1 Crescent Rd.,
+61 (08) 9257-1001                           Kalamunda.
                                             West Australia 6076
comp.os.vms,- The Older, Grumpier Slashdot
Raw, Cooked or Well-done, it's all half baked.
EPIC, The Architecture of the future, always has been, always will be.


Relevant Pages

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