Blog
Error Ellipses
Part 2: Components and Increasing Probability In the previous article (April 2017) I discuss the correlation of the coordinate values for a station and how an error ellipse is used to determine the direction of the largest error at a station. In this article I review the components of an error ellipse, the process that...
xyHt Weekly News Recap: 7/21/17
Geneq’s NEW SXblue Platinum Survey Grade GNSS Receiver LizardTech and Extensis Optimize Digital Asset Management for Geospatial Data SmartNet North America expands full GNSS capability World’s Densest Urban Aerial Lidar Dataset Released Dewberry Hosts Fourth Survey Merit Badge Day
The Elusive Scope: Business Advice for Surveyors
How to prepare for and meet your client’s needs by keeping your eye on the project scope. I wrote many business-advice columns in this magazine’s predecessor, Professional Surveyor Magazine. Now that I’ve adjusted to writing for the entire geomatics world rather than on just surveying issues, I believe I’ve found one topic that affects everyone...
Geodetic Control over Time and Space in California
Interview with Scott Martin, Chief of Geodetic Control and GNSS Surveys, California DoT Above: UNAVCO/PBO station P655 with Mt. Shasta in the background. Matteo Luccio: Scott, what is your relevant background and what is your current role? Scott Martin: I’m a state employee with the California Department of Transportation (Caltrans), in the Office of Land...
Certifications or Licensing? The Future of Surveying
Part 1 Editor’s note: What will regulation, certification, and licensing of the surveying profession look like in the near and distant future? Surveying is and always has been molded by external influences: markets, technologies, economic conditions, demographics, and competition from outside of the profession. Other professionals, consumers, and prosumers have found that the legacy mysteries...
A Good Day with a Bad Elf
It was a beautiful early summer day, ideal weather to take a road trip to the Pike National Forest about an hour from my Eastern Colorado home. Pike National Forest comprises 1,106,604 acres southwest of Denver and is a frequent haunt of mine for camping, off-roading, and in past years dirt biking and ATV-ing. This...
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