Category Archives: Surveying

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...

The New Datum and Real-Time GNSS Networks
We asked U.S. RTN what their plans are for the upcoming changes to the National Spatial Reference System. When it comes to geodetic reference frameworks, “shift happens.” Surveyors (and others) have been through this before, like changes from NAD27 to NAD83, NGVD29 to NAVD88, from NAD83(CORS96) to NAD83(NSRS2007), and to the current NAD83(2011). Remember the...

The New Guy
Tim Burch takes over as executive director of NSPS Before we talk about NSPS moving forward, I think it’s right that we look back on the impact Curt Sumner had on the organization. I know you could write a lengthy paper on this, but in a few paragraphs can you sum up what Curt meant...

22 Young Geospatial Professionals to Watch in 2022 – 22 of 22
Throughout January and February xyHt.com is featuring young geospatial professionals who are making a name for themselves in everything from surveying to geographic information systems. xyHt featured all of them in the Name: Teresa Zgoda Company: Phase One Current Position: Systems Support Engineer Age: 26 Education: BS in Biomedical Photographic Communications Biography: Teresa provides technical...

Let’s Get Something Straight
In my last Dis-Located column I wrote about the historic, economic, and unusual impact of the Potomac River dividing Maryland and Virginia, saying no other state border impacted either side quite like it. While that is true, several readers pointed out that there are other oddities among state borders created by surveyors or surveying mistakes....

22 Young Geospatial Professionals to Watch in 2022 – 21 of 22
Throughout January and February xyHt.com is featuring young geospatial professionals who are making a name for themselves in everything from surveying to geographic information systems. xyHt featured all of them in the January issue. Here we will spotlight one each day. Name: Denver Winchester Company: Crafton Tull Current Position: Vice president Age: 32 Education: Associate...