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Understanding GNSS Pt. 2

Vertical Datums Part 1 covers ellipsoids, datums, and realizations and is in the April print issue. This final part covers vertical datums. From my previous article: One of the most important things to understand when it comes to using survey-grade GPS systems is the difference among the many datums, reference...

UAVs Enter the Sharing Economy

Above: A hypothetical Hangar mission plan for a city. A new platform connects UAV owners and UAV users while providing flight plans and image processing.  As the UAV industry continues to grow rapidly, many companies are wondering whether they should own and operate their own UAV and, if they decide...

ArcGIS Indoors

What is it, and how will it work? Mapping has traditionally been the task of visually charting big outdoor spaces with pretty hills that look great with a few contours around them. Throw in a bit of hillshade, and you have a cartophile’s dream. The location intelligence company Esri, that...