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Re: [gpsd-dev] ✘reset "Support UBX NAV-PVT" commit 22a020ec1c2bc85eff68

From: Eric S. Raymond
Subject: Re: [gpsd-dev] ✘reset "Support UBX NAV-PVT" commit 22a020ec1c2bc85eff681ecacc6d2bb79fdddc9c
Date: Tue, 5 Sep 2017 23:40:33 -0400
User-agent: Mutt/1.5.24 (2015-08-30)

Hal Murray <address@hidden>:
> address@hidden said:
> > I'm back after a rough August volunteering on ther projects.  I updated my
> > RasPi servers and the PPS started going flakey on my uBlox.  Flipping from
> > 0.0 offset to -1.0 offset, and back, every few minutes. 
> I have a setup where the PPS is off by a second.  I've mentioned it before, 
> but nobody seemed interested in fixing it.  The problem was NMEA stuff 
> overflowing the second boundary, or something like that.

I've seen overflow this at 4800bps.  The fix for that is simple: don't
bang the bits that slowly! :-)  9600 normally suffices, but IIRC the
MT3339 ships some odd long centences - I suppose it's possible ome
might haver to jump to the nect higher speed..
                <a href="";>Eric S. Raymond</a>

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