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TAG: William Tewelow

NASA’s Artemis program will need lunar spatial reference system

January 13, 2021

Image: NAPSG []

How public safety GIS saves us when disaster strikes

November 11, 2020

1960: ARPA launched Transit, the first satellite in what would become the world’s first GPS. (Photo: U.S. Army/DARPA)

The evolution of GPS satellites and their use today

September 16, 2020

Source: Roland Bauernfeind, Thomas Kraus, Dominik Dötterböck, Bernd Eissfeller, Erwin Loehnert, and Elmar Wittmann

How the Civil Air Patrol relies on GIS for civil defense

September 9, 2020

At-home crowdsourcing and citizen science for mapping enthusiasts

May 13, 2020

Credit:  Ryan H. Mitch, Ryan C. Dougherty, Mark L. Psiaki, Steven P. Powell, Brady W. O’Hanlon, Jahshan A. Bhatti, and Todd E. Humphreys

Coronavirus: How mapping can stop a pandemic

March 11, 2020

Image: GPS World

A straightforward explanation of oblique

August 1, 2019

Closing the horizontal/vertical BIM divide

April 9, 2019