[OSM-newbies] comparison between gpx results

[Dirk-Lüder Kreie]

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Francis Augusto Medeiros schrieb:
> On 4/3/07, Hakan Tandogan <hakan at gurkensalat.com> wrote:
>
>> How much was the offset? This could possibly be an error in the NMEA to
>> GPX conversion. Does Mobile Trail allow you to save raw NMEA data? If so,
>> you could convert the NMEA data to GPX yourself (with gpsbabel) and
>> compare the results to the ones from GPS Track.
> 
> I don't think so - it had KML or GPX, I guess...

If there is a systematical error in your data it might be one of your
GPS solutions does a ellipsoid conversion. All data entered to OSM
should reference the WGS84 (GPS) ellipsoid.


Dirk-Lüder "Deelkar" Kreie

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