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Re: xgps and cgps are flickering

From: Gary E. Miller
Subject: Re: xgps and cgps are flickering
Date: Fri, 29 Jul 2022 15:48:39 -0700

Yo Hans!

On Fri, 29 Jul 2022 09:40:56 +0200
Hans Mayer <> wrote:

> > Best to just turn off the NMEA and go u-blox only.
> >    
> > .....  Or switch to
> > u-blox binary.    
> It's the question how to do. Probably "ubxtool" is my friend.  

The doc is definitly your friend:

> To disable NMEA  the following could work:  ubxtool --disable NMEA  

Nope, see the above link for why not.

> or is it more "RAWX" ??  

Uness you are doing PPP, you do not want RAWX:

> ubxtool is speaking gpsd.  

Not really.  ubxtool works on the raw packet level.

> So gpsd knows for the future what to do.  

Lost me...

> And probably after that, so ZEF-F9P runs in the same mode after a 
> possible power outage:  ubxtool --preset SAVE  


> When done I assume this will not work any more: gpspipe --nmea -u  

Bad assumption.  And you are back to an even worse NMEA situation.

> Because with this I feed the data from the pipe to eleasticsearch
> stack to get some infos as graph.  

There are also: gpscsv, gpsplot, gpsprof, gpssnmp, etc...

> But probably there are some other possibilities to get out this 
> information, isn't it ?  

Without your definition of "this information", hard to say.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703  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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