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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A Visit with S.J. Martenet in Baltimore By Marc S. Cheves, LS 1,561kb
Dividing the Needle Ring of a Colonial Compass
A fascinating look at how instrument makers divided the needle rings of manufactured compasses prior to the Ramsden-inspired dividing engine.. By Jeffrey Lock 1,288kb
Surveyin’ Da Situation: Handing Down Traditions
Though passed along without written instructions, the best traditions are engraved on the heart. By John D. Matonich, LS 407kb
Berntsen: A Marked Difference
It’s no secret why the world’s largest producer of durable boundary markers works like a well-oiled machine. By Angus W. Stocking, LS 1,143kb
When a Subdivision Map Isn’t a Subdivision Map
Where is the balance between the rights of landowners and the power of government to regulate for the public good? By Lloyd Pilchen, LS, Esq. 387kb
Washington View: Decreasing USF Disbursements Harm Small Rural Businesses?
Insight as to how a ruling on Universal Service Fund allocations could affect surveyors. By James J. Demma, LS, Esq. 72kb
Geodetic Connections: Geodetic Leveling
Horizontal positioning is not all that has changed over the last thirty years. By Dan Martin 783kb
GIS Matters:
Data Modeling of Survey Data in GIS
The concept of a data model should not be confused with the data format. By Rj Zimmer, LS 364kb
Vantage Point:The Big Picture by Taylor Morrison
As developer advocates, sometimes we must look beyond the wishes of our clients.. By Wendy Lathrop, LS 817kb
Bookmarks: William Henry Holmes and the Rediscovery of the American West, by Kevin J. Fernlund
His eye-witness reports and detailed images fueled America’s fascination with the unmapped frontier
By Pat Toscano, LS 295kb
• 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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