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In This Issue
• Ethics  • Forest Trees  • Brickkilns  • American Immigrant  • Diggers  • Bathymetric Survey Boat  • Final Voyage  • Test Yourself  • Curt Brown  • Vantage Point
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RECENT AMERISURV UPDATES
Table of Contents - The American Surveyor - Vol.13, No7 2016
Arc Surveying & Mapping and Foster & Associates Announce Merger
Editorial: In This Issue
One Man Crews
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How San Francisco Paid The Ransome—Or: "So, You Found A Rebar..."
GIS & Surveyors—The Long and Winding Road
Product Review: Leica Zeno 20
Total Station Upgrade Sparks Efficiencies
The Final Voyage—Part 11
Test Yourself 33: Three Areas
Vantage Point: Doing Right Professionally
City of Charlotte Selects Woolpert for Streetscape Projects in Prosperity Village
RIEGL Laser Scanners Used in Forensics and Accident Reconstruction
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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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