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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 <mikie.simpson@gmail.com> 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.

https://galmon.eu/

flip to glonass.

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

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