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Re: GPS/PPM very large offset

From: Greg Troxel
Subject: Re: GPS/PPM very large offset
Date: Fri, 06 Nov 2020 20:57:35 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (berkeley-unix)

Mike Simpson <> writes:

> Big. Sometimes 3s, sometimes 4s. B&A complaining of 5s. 
> On my Pi when it was happening I noticed that the time offset field of
> cgps would jump about rapidly from 0.2s-0.4s to 3.something and ntpsec
> would state that both pps and gps were 3 seconds off.
> Removing GLONASS kept the cgps time offset at 0.something and corrected the 
> time seen by ntpsec. 
> Second time this has come up on the list with the ublox8. 

Something else must be going on.

flip to glonass.

If it were 5s off, Bert would be all over it!

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