Tag Archives: gps
What’s Inside Your GNSS Rover? Part 1
The venerable GNSS rover, has evolved into an essential part of a surveyor’s toolkit, although some mystery remains as to what that magic box does and how it does it. To demystify this, we engaged GNSS engineers to help craft this three-part “explainer” series. Part one The work of a surveyor requires a lot of...
xyHt Digital Magazine: September 2023
xyHt magazine’s September issue goes inside the GNSS rover to see exactly what’s in it and reveal how the technology works its magic. As always, if you don’t have a subscription to our print edition, or if someone else in the office has snaffled your copy, don’t fret, here is the digital edition. Click here or...
xyHt Digital Magazine: July/August 2023
xyHt magazine’s combined July/August issue focuses on geographic information systems and and how the science has made its way into many aspects of our existence—how it is helping now and how it will help in the future. As always, if you don’t have a subscription to our print edition, or if someone else in the...
The Responsibility to Map the U.S. Coastline
(And the Inevitability of New Geodetic and Tidal Datums) Since the arrival of the first pilgrims to the North American continent, there has been a need for precise knowledge of the coastline of the new country, and the reasons are obvious. Arrival by boat was the only alternative when crossing the Atlantic and escaping religious...
A Decade of Uncrewed Photogrammetry
Some might have had a peek at photogrammetry drones before 2013, but for me 2023 marks a decade since I first laid eyes on an uncrewed aircraft that “claimed” to do what I had been doing for years in bigger, more stable airplanes in the joyful company of pilots, copilots, camera operators, and navigators. In...
Surveying for Safety at Waipio Valley
Lush vegetation, beautiful ocean vistas, and a historic Hawaiian valley provide the setting for a complex engineering project that addresses technical and cultural concerns. The Waipio Valley on the island of Hawaii has great historical significance within Hawaiian culture. Known as the Valley of Kings, it was home to many generations of the royal family...
