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TAG: Survey Scene

Image: GPS World

GNSS and the Surveyor: Take Me to School

March 1, 2017

The adaptation of GPS for civilian use is the single greatest step taken by  the land surveyor, more […]


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

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

October 5, 2016

These columns have focused on procedures and routines for establishing GNSS-derived orthometric heights. There are many ways to analyze […]


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chart: Rowan County height differentiation

Establishing orthometric heights using GNSS — Part 8

August 3, 2016

Upcoming Survey Scene newsletters will carry additional columns in this series. Basic procedures and tools for determining valid published […]


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Figure 1. Leveling Network Design Used in the General Adjustment of the North American Vertical Datum of 1988 (Figure 3 from the report).

Establishing orthometric heights using GNSS — Part 7

June 2, 2016

Basic procedures and tools for determining valid NAVD 88 heights for constraints To date, the six parts of “Establishing Orthometric […]


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Image: GPS World

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

May 4, 2016

A lot of talk is being made about UAVs these days and how this technology is going to […]


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Image: GPS World

Establishing orthometric heights using GNSS — Part 6

April 6, 2016

Basic procedures and tools for ensuring GNSS-derived orthometric heights meet the project’s desired accuracy To date, this series […]


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Image: GPS World

Unlicensed UAV services threaten survey profession

March 2, 2016

  Unless one has lived under a rock for the past few years, it is hard to miss […]


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This article is tagged with , , and posted in Opinions, Survey, UAV/UGV
Image: GPS World

Establishing orthometric heights using GNSS — Part 5

February 3, 2016

Basic procedures and tools for ensuring GNNS-derived orthometric heights meet the project’s desired accuracy
In the latest installment of our ongoing series, the focus switches from GNSS-derived ellipsoid heights to procedures and tools for ensuring GNNS-derived orthometric heights meet the project’s desired accuracy.


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