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Image: National Geodetic Survey

The differences between published Geoid18 and Geoid12B values in Southern Louisiana

April 1, 2020

My February 2020 column provided an analysis of the differences between the latest published hybrid Geoid18 values provided […]

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This article is tagged with David B. Zilkoski, GEOID12B, GEOID18, GEOID18 Gulf Coast, GPS data, GPS on Bench Marks, National Geodetic Survey, NGS, Southern Louisiana and posted in Opinions, Survey

Schematic of Tesla’s system shows two vehicles (102, 120) feeding data to a network, a server and a reference station. (Image: Tesla)

Tesla granted US patent for positioning tech

February 6, 2019

Tesla has developed a technology aimed at providing more accurate positioning for autonomous cars by sharing data between […]

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This article is tagged with autonomous, autonomous cars, autonomous vehicles, GPS data, GPS-denied, patent, positioning, Tesla, U.S. patent and posted in Latest News, Transportation

Image: GPS World

Moving mountains: Alps researchers detect a decade of movement

August 27, 2018

Our Earth is constantly on the move, as the current Kilauea eruption dramatically illustrates. But capturing data on […]

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This article is tagged with Alps, dynamic movements, geodesy, geodynamics, Geology, German, GPS data, mountain range, Technical University of Munich, Tracy Cozzens and posted in Featured Stories, Opinions, Survey