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Re: ntrip and sending position

From: Gary E. Miller
Subject: Re: ntrip and sending position
Date: Tue, 17 Dec 2019 20:32:35 -0800

Yo Greg!

On Tue, 17 Dec 2019 20:30:06 -0500
Greg Troxel <address@hidden> wrote:

> "Gary E. Miller" <address@hidden> writes:
> >> It is a problem.  Anyone who has a username with an @ -- which is
> >> normal these days to use an email address as a username -- will
> >> lose, and the docs don't explain this.  
> >
> > I've never heard of an NTRIP passworkd being an email address.  
> Username, not password.

Not passworkd either...

> > Can't fix w/o doc.  
> MaCORS will let you sign up with a username that has an @, and doesn't
> mention it as odd.  They will then let you sign up again so you can
> have a username without an @ :-)

Then you can test it and fix it for us.  :-)

> > Not much we can do w/o doc.  
> Understood - just thought it was useful to explain.
> I suspect that Max we will ignore and iMax will work, along with
> 'nearest', one someone figures out how to send location upstream by
> reading RTKLIB.

Steal from the best.

> >> I am still unclear on if my corrections are being applied and
> >> helping (vs SBAS corrections).  
> >
> > Depending on your GNSS receiver, gpsd will decode the stream and set
> > the proper codes.  My u-blox NEO-M8T goes from #D FIX to 3D DGPS
> > FIX.
> >
> > Some older receivers will report 3D DGPS FIX when they have the
> > RTCM2 data from WAAS.  
> WAAS is DGPS, really.

Yes.  Almost identical to RTCM2.

>  It's just that it's a coarse grid, and the data
> link from WAAS is a bit iffy in some environments.

If you have a string signal from a WAAS bird then you are good.

> >> Definitely when I walk in the woods the
> >> accuracy is not good enough with just SBAS for pleasing trail
> >> mapping.  
> >
> > Which is why some GNSS receivers can use NTRIP from the netvia your
> > phone.  Or post process the data.  
> exactly where I am going.

Both NTRIP and PPP?

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