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In This Issue
• NCEES  • Gold Tree  • Railway Maintenance  • California Coast  • Final Voyage  • EDM Without Reflectors  • Crossword Puzzle  • Test Yourself  • Pop-Ups and Zoning
Articles    View Cover    Click HERE for the PageFlip full version of the magazine.
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Table of Contents - The American Surveyor - Vol.13, No8 2016
Thought Leader: NCEES Forum on the Future of Surveying
The Gold Tree
Catching the Right Train
Some Notes From Lieutenant Charles Pierce Part 1: The California Coast 1932-­1933
The Final Voyage Part 12
EDM Without Reflectors
Angle Points: A Surveyor's Crossword Puzzle
Angle Points: A Surveyor's Crossword Puzzle
Test Yourself: Angles, Angles, Angle
The Curt Brown Chronicles: Line Trees
The Curt Brown Chronicles: Line Trees
Vantage Point: Pop-Ups and Zoning
Septentrio Supplies GNSS Reference Stations to Oregon Department of Transportation
Inc. Magazine Ranks Timmons Group a Fastest Growing Company
New Laser Scan Coordinate System Tools Released in Maptek I-Site 6.1
St. Charles Parish Overcomes GNSS Signal Shadow Issues with Trimble Floodlight Technology Print E-mail
Written by Trimble Mapping & GIS Division   
Thursday, 29 March 2012

PROJECT: Trimble Floodlight satellite shadow reduction technology enables St. Charles Parish Waterworks crews to maintain productivity in all mapping environments

SUMMARY: In an effort to improve the accuracy of its GIS maps, St. Charles Parish, La., purchased its own GNSS equipment. The parish Waterworks Department experienced outstanding results when mapping water infrastructure features—except when working beneath the parish’s towering oak trees, which deflected or blocked GNSS satellite signals. The parish upgraded to the Trimble® GeoExplorer® 6000 series of mapping GNSS handhelds with Trimble Floodlight™ technology and saw an immediate improvement in productivity and accuracy.

PROJECT DATE: Deployed in 2011

The last straw for St. Charles Parish, La., came when an underground water pipeline burst beneath a busy street. Traffic had to be diverted as the water continued to spill out onto the pavement. A half hour passed, and then another, before personnel from the Waterworks Department found the shutoff valve and stopped the deluge. The delay was caused by a faulty map that incorrectly showed the valve’s location on the other side of the street...

To read a 672Kb PDF of the rest of this story, click HERE

 
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