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Re: NAVSPG-DYNMODEL documentation

From: Gary E. Miller
Subject: Re: NAVSPG-DYNMODEL documentation
Date: Sat, 22 Apr 2023 12:17:56 -0700

Yo Hans!

On Sat, 22 Apr 2023 17:44:08 +0200
Hans Mayer <> wrote:

> On 20.04.23 21:16, Gary E. Miller wrote:
> > I think you want this doc:
> >
> > 'ZED-F9P_InterfaceDescription_(UBX-18010854).pdf'  
>   Yes, exactly. This is the documentation which is useful and I was 
> looking for.
> Many thanks. I found it, it's exactly the version I have on my
> ZED-F9P.


> Does someone know what value should be taken for "Fixed altitude 
> variance for 2D mode" ?

U-blox does not say much about their algorithms.  For no good reasons,
I assumed the either kept the last 3D altitude, or used the ellipsoid

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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