Re: ppp averaging and circular error of probability

[Gary E. Miller]

Yo Hans!

On Sat, 17 Sep 2022 17:53:23 +0200
Hans Mayer via <gpsd-users@nongnu.org> wrote:

> On 16.09.22 20:56, Gary E. Miller wrote
> > It contains both UBX-NAV-SAT and UBX-NAV-SIG messages.  Which are
> > incomaptible with each other,
> >
> > UBX-NAV-SAT knows nothing of multuiple signals (l1 & L2, etc.  It is
> > only for back compatility.  The new UBX-NAV-SIG is for use with the
> > newer signals.
> >
> > That is confusing gpsd.  You need to configure your u-blox
> > properly.  
> 
> I will try to do so.

You can use ubxtool to fine tune the u-blox setting.  Non-trivial, but
the examples work.

> What I do not understand completely, why do we see the satellite 
> statistics if gpsprof is connected to gpsd but not if gpsdecode is 
> reading the raw file?

They are different programs that do different things.  Hard enough to
get the gpsd clients to work with good data, much less bad data.  Feel
free to dig deeper if you wish.

Can you remind me how your are running gpsd?

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        gem@rellim.com  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

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