Re: [gpsd-dev] [Thumbgps-devel] Progress on Plain Jane

[Eric S. Raymond]

Gary E. Miller <address@hidden>:
> > That's excellent news.  0.5msec jitter is as good as we could have
> > expected and exactly what one would predict from a max error of 1msec
> > due to polling interval. The long-term NMEA/USB drift is consistent
> > with previous observations by Hal Murray and myself.
> 
> Nice when theory and practice agree.  I wonder if there is a USB 2.0
> equivalent of the PL2303 which would give us a 125 microSec poll?
> 
> Might be worth asking navisys about that.

Maybe.  But that would require that they qualify a new and probably more
expensive adapter part. We should get this puppy shipping and let them
see some ROI before we push that.
-- 
                <a href="http://www.catb.org/~esr/";>Eric S. Raymond</a>

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