Category Archives: GNSS/Location Tech

Evans inspects a recent concrete pour on the dam’s riser tower.

Women in Surveying: An Accidental Surveyor Schools the Field

This entry is part 7 of 8 in the series August 2017An unconventional geospatial technician oversees pre-construction and construction work for rehabbing a flood-control dam in VA. Pictured above: Evans inspects a recent concrete pour on the dam’s riser tower. “I’ve been on dozens of job sites and a lot of construction projects, and I have...

Field training can sometimes be the most efficient way of capturing the attention of busy contractors.

Controlling the Future with Training

This entry is part 6 of 8 in the series August 2017To support user training, one company surpasses the usual by extending and supporting information, content, and new skills.  Pictured above: Field training can sometimes be the most efficient way of capturing the attention of busy contractors. The surveying and construction industries are dynamic. The way...

HARN

Are HARNs on Death Row?

This entry is part of 19 in the series Field NotesIn the late 1980s, the National Geodetic Survey (NGS) launched a program, in cooperation with State partners, to establish a High Accuracy Reference Network (HARN) across the United States. HARN’s History With the rapidly increasing availability and use of GPS equipment, NGS recognized the need...

Eclipse Background, NASA

Night in the Afternoon: A US Solar Eclipse

This entry is part 2 of 8 in the series August 2017What you need to know about the 2017 solar eclipse The upcoming solar eclipse will leave a 70-mile-wide trail of darkness across the United States on August 21, 2017 (see the map of the eclipse path on pages 44-45). This will be a once-in-a-lifetime...

Fire, Ice, and Latitude in Ecuador

This entry is part 3 of 8 in the series August 2017A team of U.S. surveyors visited Ecuador to use real-time PPP to pay homage to the 18th-century “Geodesic Mission to the Equator,” one of the most difficult and significant missions in the history of surveying and geodesy.  Pictured above: The team of U.S. surveyors on...

Geodetic Control over Time and Space in California

This entry is part 4 of 8 in the series July 2017Interview with Scott Martin, Chief of Geodetic Control and GNSS Surveys, California DoT Above: UNAVCO/PBO station P655 with Mt. Shasta in the background. Matteo Luccio: Scott, what is your relevant background and what is your current role? Scott Martin: I’m a state employee with...