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Re: [gpsd-users] UBLOX M8T?


From: Eric S. Raymond
Subject: Re: [gpsd-users] UBLOX M8T?
Date: Mon, 1 Jun 2015 13:44:07 -0400
User-agent: Mutt/1.5.23 (2014-03-12)

Askar Ibragimov <address@hidden>:
> Hi Eric,
> 
> could you please elaborate what is this bug and why it is important? Does
> that mean, that gpsd is not working at all with the receiver? Could you
> provide some link to bug description?
> 
> I have at stake purchase of two units so I would like to have very good
> idea what I shall expect :)

There are two known problems, one of which I may have fixed in git.

1. Failure to process NMEA 4.1 GSVs, which have an extra signal-ID field
just before the checksun and thus looked malformed to earlier versions of
our NMEA 0183 driver.  That may be fixed.

2. Failure of gpsd to mode-swith the device to UBX binary on startup.  This
would be easy to fix if I could live-test an M8 device.  It matters a lot
for time service; we gave a recent reportthat the default NMEA mode reports
less accurate time.

To be dead sure of your device, buy three and ship me one.  I'm pretty
sure I could have well-harderened support up in three hours.
-- 
                <a href="http://www.catb.org/~esr/";>Eric S. Raymond</a>



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