Blog

Fire, Ice, and Latitude in Ecuador

A team of U.S. surveyors visited Ecuador to use real-time PPP to pay homage to the 18th-century “Geodesic Mission to the Equator,” one of the most difficult and significant missions in the history of surveying and geodesy.  Pictured above: The team of U.S. surveyors on the 2017 Ecuador visit (from back to front): Rich Leu, John...

xyHt Weekly News Links: 7/28/17

INTERGEO – bridge to a digital future New Leica Captivate Pipeline application streamlines tracking and reporting Trimble introduces new Android app – Trimble Penmap – for field surveying and data collection ESA communication team hands off responsibility to GSA LizardTech optimizes Portfolio 2017 for geospatial data Icaros and TeAx Announce an Integrated Drone Mapping Solution...

Get Ready for the Solar Eclipse!

In less than a month (August 21, to be precise) folks across the United States, from Oregon to South Carolina, will be treated to a rare total solar eclipse. Here’s the Pangaea guide to watching this spectacular event. Safety first! Don’t even think about watching the eclipse without proper eye protection. Retailers have been busy...

Equations 1-5, Charles Ghiliani, Error Ellipses, xyHt July 2017

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

Photo female hands holding modern tablet and man touching screen.Businessmans crew working new investment project office.Using electronic devices. Graphics icons, stock exchanges interface.

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...

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