Survey Scene

The T3 theodolite was introduced in 1925. With its 10.5-inch telescope, this theodolite had a range of up to 60 miles. It saw heavy use between 1952 and 1984. (Photo: NOAA)

July 7, 2021

Surveying and the future: Where is technology going?

By Tim Burch

Experimental Geoid Models 2020 (xGEOID20). (Image: NGS)

February 3, 2021

NGS releases annual experimental geoid models and gravity interpolation tools

By David B. Zilkoski

May 2, 2018

Surveying and the GNSS generation: The future is now

By Tim Burch

April 4, 2017

UAV manufacturer senseFly joins April 20 webinar panel

By GPS World Staff

March 1, 2017

GNSS and the Surveyor: Take Me to School

By Tim Burch

Figure 2 - Positive GPS on BMS Residuals Using Geoid16b_NAD model (note: rejections by geoid team have been removed).

October 5, 2016

Analyzing NGS’ GPS on benchmark dataset used to make GEOID12B — Part 9

By David B. Zilkoski

chart: Rowan County height differentiation

August 3, 2016

Establishing orthometric heights using GNSS — Part 8

By David B. Zilkoski

June 2, 2016

Establishing orthometric heights using GNSS — Part 7

By David B. Zilkoski

May 4, 2016

GNSS and the real-time network: The surveyor’s best friend

By Tim Burch

April 6, 2016

Establishing orthometric heights using GNSS — Part 6

By David B. Zilkoski

Surveying and the future: Where is technology going?

NGS releases annual experimental geoid models and gravity interpolation tools

Surveying and the GNSS generation: The future is now

UAV manufacturer senseFly joins April 20 webinar panel

GNSS and the Surveyor: Take Me to School

Analyzing NGS’ GPS on benchmark dataset used to make GEOID12B — Part 9

Establishing orthometric heights using GNSS — Part 8

Establishing orthometric heights using GNSS — Part 7

GNSS and the real-time network: The surveyor’s best friend

Establishing orthometric heights using GNSS — Part 6

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