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Nightmare on GIS Street: GNSS Accuracy, Datums and Geospatial Data

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Posted by Skip Farrow on February 25, 2019 at 10:07am
Views: 218
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Tags: gnss, accuracy, geospatial, data, datums
A look at the challenge of dealing with horizontal datums in your GIS. We are moving into a new era in dealing with datum transformations. Geodata 2.0 is coming, and it can create big headaches when attempting to combine disparate geospatial databases. Sensors such as GPS receivers, remote sensing imagery, and 3D scanning provide much more accurate data, setting up a collision with outdated and mismatched legacy horizontal datums.

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