December 6, 2023 ASPRS approves edition 2 of the ASPRS Positional Accuracy Standards for Digital Geospatial Data By David B. Zilkoski
December 4, 2023 The early days of GPS: How it was adopted by the US military and surveyors By Matteo Luccio
December 4, 2023 GPS: The birth of the commercial GPS industry and how it changed the world By Charles R. Trimble
December 4, 2023 They used GPS even before it was fully built: The adoption of GPS by surveyors By David B. Zilkoski
December 4, 2023 Lost in the desert, they demanded GPS: The adoption of GPS by the US Armed Services By Gaylord Green