Articles by William Henning, PLS, Geodesist

In Real Time: Constraining to Passive Marks

By William Henning, PLS, Geodesist
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In previous issues, we have briefly visited three of the “seven C’s” of NOAA’s National Geodetic Survey (NGS), as best methods for real-time (RT) GNSS positioning. We can now move to the fourth “C”--constraints--to examine whether we should constrain coordinate solutions to the passive control marks in the ground or to active control points, such as those from a real-time network (RTN), or both.
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In Real Time: Conditions Influencing RT Positioning

By William Henning, PLS, Geodesist
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To date, we’ve briefly discussed two of the “seven C’s” of best methods for real-time (RT) GNSS positioning from NOAA’s NGS in previous issues of POB. We’ll now move to the third “C”--Conditions.
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In Real Time: Real-time GNSS Positioning Field Guide

By William Henning, PLS, Geodesist
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Real-time GNSS (RT) technology is a fast, efficient positioning and navigation tool that can yield survey-grade coordinates used in a variety of applications. 
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HxGN Live

More than 3,500 attendees from more than 70 countries attended HxGN Live, the annual Hexagon AB user conference, at the MGM Grand Hotel & Casino in Las Vegas on June 3-6. About 450 keynotes and panel discussions were held, and several companies from around the world exhibited their geospatial products. Here are a few snapshots from the event.

POB

POB August 2014

2014 August

In the August 2014 issue, POB explores how John McAslan + Partners used 3D modeling to facilitate the update design of King's Cross Station. Also, read how keeping workers safe on a rocky, steeply sloped mountainside requires precise, reliable monitoring.

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