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Re: [gpsd-users] Strange 14s offset with GPS 18x LVC
From: |
Eric S. Raymond |
Subject: |
Re: [gpsd-users] Strange 14s offset with GPS 18x LVC |
Date: |
Thu, 20 Oct 2011 10:16:28 -0400 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Miroslav Lichvar <address@hidden>:
> On Mon, Oct 17, 2011 at 01:51:00PM -0700, Gary E. Miller wrote:
> > Your gpsd likely has a bad value for leap seconds. It happens. It will
> > eventually get the right value.
>
> Could gpsd cache the good value or do some sanity checking? Is that a
> firmware problem? A clock that can randomly jump by 14 seconds is not
> a very good clock :).
Knowing what a "good" value is is very, very hard. Effectively impossible. See
http://esr.ibiblio.org/?p=2869
http://esr.ibiblio.org/?p=2882
for discussion.
--
<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>