Category Archives: GNSS/Location Tech

GNSS on Bench Marks?

The GPS on Bench Marks campaign of the National Geodetic Survey is a triumph of constituency participation to improve the nation’s geodetic infrastructure. The initiative is seeing success, but also faces challenges. Multi-constellation support, and acceptance of short RTK/RTN observations, will add a productivity boost. The “GPS on Bench Marks” program of the U.S. National...

Citizen Geodesist

A GPS on Bench Marks odyssey Philip Melcher of Provost & Pritchard Consulting Group in Visalia, California, has submitted GPS on Bench Marks observations on an incredible 650 Bench Marks all up and down California in the last three years. We will ask Philip a few questions to find out how he has accomplished this,...

Can Mapping Bridge Urban Social Divides?

A new book contends mapping and spatial analysis can further the interests of under-resourced communities It sometimes feels as if there’s little that can bridge our society’s divides, but the married co-authors of a new book from Esri Press — one a Republican, the other a Democrat — are optimistic. “In city politics you can...

3D Models Above and Below

Aerial, terrestrial, and underground data tell the whole story Millions of miles of underground utilities provide U.S. communities with vital services, such as telecommunications, water, electricity, and natural gas. During construction projects, accidental damage occurs frequently due to inaccurate or non-existent documentation, a situation that can be exacerbated by inadequate research before excavation begins. Safety...

Digital Twins Concept in a World Ruled by GIS

Digital twins bring together elements of the geospatial professions, resulting in smart cities of the future The concept of digital twins is not new in manufacturing and mechanical processes that can be monitored and, if necessary, rectified. But what is a digital twin? A digital twin is a computer-generated exact replica of a physical object...

That Scan-Do Spirit

Preserving heritage sites and objects is a race against time and elements. But thanks to scanning technologies, experts are now more confident humanity’s cultural legacy can be saved. One of the most iconic and visited landmarks in the world is the Notre-Dame Cathedral in Paris. So, it came as a shock on the evening of...