Network corrected real-time is a technological approach to high precision GPS/ GNSS positioning that has been theorized about, studied, experimented with, and implemented in various academic, scientific, and commercial forms for nearly a decade.
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Meet the Authors
Check out our fine lineup of writers. Each an expert in his or her field.
Field of Flags
A Civil War battlefield hosts a stirring memorial to the victims of September 11. Trenton D. Turk, LS 1,241kb
Editor’s Corner
Welcome to our Charter Issue! By Allen Cheves & Marc Cheves, LS 385kb
Point to Point
The Associate Editor asks the question, Do we need a national Record of Survey? By Joel Leininger, LS 207kb
Rowland Houghton’s “Theodolate”
According to the Acts of the Massachusetts Bay Colony, this was the first surveying instrument to be patented in the American Colonies. By Jeff Lock 641kb
ProFile
First in a series of contemporary portraits of American surveyors and the companies they work for. By Marc Cheves, LS 886kb
EarthData International
Vision, experience and a spirit of adventure transform a regional mapping company into an international leader in geospatial technologies. By Marc Cheves, LS 899kb
Where Have All the Flowers Gone?
Is the surveying profession capable of learning from its past mistakes? By Walter G. Robillard, LS, Esq. 221kb
Infusing GIS with Data Accuracy
A good-natured examination of the rivalry between GIS and surveying. By Gavin Schrock, LS 591kb
The Line Between Sandstone and Quartzite
When this early GLO surveyor called a piece of “red flint” a “sandstone,” he never anticipated the legal challenge that would follow. By Jerry Penry, LS 1,197kb
Test Yourself
Brush up on your surveying knowledge by answering questions similar to those of the NCEES land surveying exams. By Richard L. Elgin, PhD, LS, PE 58kb - With Answers 57kb - Without Answers
Management Online
Mining the full potential of the Intranet. By Fred Henstridge, LS 917kb
Washington View
There are many ways that legislation proposed by Congress and the federal government affects the average surveyor. By Laurence Socci 175kb
Editorial: Surveyors Get the Point
For me, the 6th annual ESRI Surveying and Engineering Summit represented a sea-change. While earlier meetings I attended were designed to attract surveyors into the world of GIS, the trend has taken hold and surveyors everywhere are busy incorporating GIS into their work flows. I like the way .... Read the Article
Point to Point: Can Retracements Be Confidential?
Do your clients have a right to expect that the survey you conduct for them will be confidential? Let's assume for a moment that mandatory survey recording laws did not exist (and indeed, they do not exist in most areas) and that no other obligation to divulge the results of the .... Read the Article
WowFactor: TPC Desktop 2008 Global Background Clearing
TPC Desktop 2008 is all about making it easier to work with your survey data and drawings. It's about doing less work and getting more done. Their new Global Background Clearing is a good example. We put a lot of information on drawings. Take a typical ALTA or site survey-- they can ... Read the Article
Wildfire Maps Keep Agency Missions Blazing Forward
Blazing out of control wildfires have been sweeping across northern California this summer just as they did last fall in the southern region of the state and many times previously, leaving in their path death and destruction. These fires are ... Read the Article
Applanix: Solutions for Mobile Mapping and Positioning
It's a given that Global Navigation Satellite Systems (GNSS) don't work everywhere, for example if the signals are sufficiently blocked by such things as tree canopy, or urban canyons. Because of the need to locate things everywhere, a great deal of .... Read the Article
RTN-101: Mapping (Part 14)
Much of what surveyors do is essentially mapping, and much of mapping is/could/ would/should be characterized as surveying. But what certainly raises the blood pressure of many surveyors is when one puts the two terms in the same sentence, as I have just done. The debate over.... Read the Article
The Marriage of GIS and Land Surveying (No Shotgun Needed)
Too often the GIS professional and the surveyor are at odds; a hoity-toity GIS guy looks askance at a muddy-booted surveyor who wants to pin him down on accuracy and ... Read the Article
Software Review: I-Site Studio 3.0 and 4400 Laser Scanner
It seems that every surveying magazine now overflows with stunning 3D images of everything from people, to cars, to historic landmarks, to infrastructure. Point clouds of intricate structures and shapes naturally captivate the geometrically adept mind. But what about the ... Read the Article
Product Review: SECO Poles and Prisms
Tired of prism pole slippage and non-adjustable prism pole bubble levels? Tired of tilting prism target assemblies that slip as you are walking back to the instrument or having to lift the prism pole out of the bipod ring, or not being able to adjust the "spring" out of ... Read the Article
Vantage Point: If Not Now, When?
June was a difficult month. A friend less than a year older than I am quickly succumbed to a resurgence of breast cancer. A colleague three years younger suddenly died of complications related to diabetes, although he had looked fine just a few months ago when I last saw him. Such events make ... Read the Article
Surveying `Da Situation: The Last Straw
It is bad enough that we've already had to endure months of election campaign rhetoric, but I read an article awhile back that was the last straw. I happened to be scanning the newspaper when I came across a piece reporting that the rock star Bruce Springsteen had ... Read the Article
• 15th Annual GeoTech - October 7-8, 2008, NOAA’s Auditorium and Science Center in Silver Spring, MD. Hosted by Potomac Region of the American Society of Photogrammetry and Remote Sensing and co-hosted by the NGS, 1 day of Workshops taught by experts, and 1 day of Technical sessions.,
• GITA's First Annual GIS for Oil & Gas Conference - Calgary - Nov. 6-7, 2008, Calgary Marriott Hotel, Calgary, Alberta, Canada. The GIS for Oil & Gas Calgary Conference will build on the momentum from GITA’s GIS for Oil & Gas Conference held in Houston, Texas, every September.
• GITA's “How to Financially Justify Your Geospatial Projects” Two-day Workshop - Nov. 13-14, 2008 in Denver, Dec. 11-12, 2008 in Tampa. All types of organizations now have a unique opportunity to learn from GITA’s landmark research project, “Building a Business Case for Geospatial Information Technology: A Practitioner’s Guide to Financial and Strategic Analysis.”
• Geography in Las Vegas - March 22–27, 2009. Join 8,000 geographers, GIS specialists, and environmental scientists from around the world in Las Vegas for the very latest in research, policy, and applications in geography, sustainability, and GIScience, during the annual conference of the Association of American Geographers.
• California Land Surveyors Association 2009 Conference - March 28-April 1, 2009, Hilton San Diego Resort (Mission Bay).
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, (707) 578-6016.
• SPAR 2009 - March 30- April 1, 2009, Hyatt Regency Hotel, Denver, Colorado. SPAR 2009 will focus on best practices for using 3D imaging technologies to design and deliver capital projects as well as operate, modify and maintain production, manufacturing and infrastructure assets.
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