Tag Archives: surveying
From Nadir to Oblique
Spic-and-Span Bridges Inspecting the world’s iconic bridges is becoming a UAV job When it was time last year to inspect the Sydney Harbour Bridge, the steel arc structure that spans the harbor of Australia’s capital, authorities Down Under turned to the latest technology available: drones. “The sky’s the limit when it comes to this technology....
Stories from the Field
We celebrate Land Surveyors United’s 16th anniversary with a couple of stories from their website. Dingoes and Tall Tales Dingo is a small town located just across the railway line from the Capricorn Highway in a remote area of Queensland, Australia. The origin of the town’s name is shrouded in mystery. Some say a railway...
The Future of Aerial Photogrammetry
Rapid advances in technology are changing the way we map from the air, but the 100-year-old technology of mapping by crewed airplanes will continue to fly into the future For thousands of years cartographers made maps using tools that mostly measured angles and distances, allowing for positioning of fixed objects over unknown topography. The earliest...
Looking Forward: Scanning History
Looking Forward On a family cruise to Mexico several years ago, I was intent on seeing the Mayan ruins at Tulum. It required a 45-minute ferry from Cozumel to Playa del Carmen and then an hour bus ride to the ruins. With the palm trees, warm Caribbean December breeze, white-sand beaches, and warm aqua water...
xyHt Digital Magazine: April 2023
xyHt’s April issue focuses on surveying, including modern technologies being used in a massive geophysical survey and historic equipment that got the profession to where it is today. 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...
xyHt Magazine Heights 2023
Click on the cover to view the Heights 2023 supplement to xyHt magazine. Articles in the issue include: From Nadir to Oblique: From traditional airplanes to new-fangled gyroplanes, we take a look at several aspects of the aerial geospatial technologies that just keep getting better. The Future of Photogrammetry: While UAVs continue to emerge as aerial mapping vehicles, there...
