Opinions

The changing face of defense PNT

February 8, 2017By

With a host of innovative technologies on the horizon, PNT is about so much more than GPS these days, and the military knows it. GPS is not going anywhere. But it’s not a complete solution either. read more

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Establishing orthometric heights using GNSS — Part 11

February 1, 2017By

Strategically Occupying Stations to Support NGS’ GPS on Bench Marks Program This is the 11th segment in my series on “Establishing Orthometric Height Using GNSS.” Each column has focused on a specific topic and provided procedures and tools for analyzing that topic. The columns are meant to build on each other. When addressing a topic that has been discussed in... read more

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CNN explores space warfare, US military’s use of GPS

January 26, 2017By

A spaceborne laser zaps a GPS satellite, disabling it. A “kamikaze” satellite hits and destroys other nations’ critical satellites. Another satellite moves beside an Intelsat bird — and listens in. A new CNN special considers all of these possibilities in an exploration of an arms race in space, showcasing the devastation that would be caused by space warfare and how the... read more

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Expert Opinions: Integrity in the vehicle environment

January 23, 2017By

Q: Why do we need to take integrity seriously in the vehicle environment?   A: Since the 1980s, surveyors and geodesists have used GPS for high-accuracy positioning. We take for granted centimeter- and even millimeter-level accuracy positioning capability that is faster, more reliable, at a lower cost and with fewer constraints than ever before. However, the demand for “trustworthy positioning”... read more

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Drone developments: Avionics, fuel cells and swarms

January 18, 2017By

The first year I was at the Association for Unmanned Vehicle Systems International (AUVSI) convention in 2012 (well before it became Xponential) in Las Vegas, Nevada, I spent a lot of time looking for any exhibitors who were thinking of business in commercial unmanned aerial systems (UAS). At that time, the U.S. military had not yet suffered the major budget... read more

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January issue: All the news that fits…

January 15, 2017By

We have a finite number of pages to bring you each month, one might say a tightly controlled number. That number has never easily accommodated the quantity of fresh, relevant GNSS and PNT news and technical material that emerges each month. The pace of your developments is too fast with which to keep up! This month, a case in point.... read more

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How best to select a GNSS vendor: Reader poll

January 12, 2017By

The January reader poll asks you to answer the question: “What are the most important factors to consider in selecting a GNSS vendor?” Answer the poll by Jan. 25 for entry to a drawing for a $50 gift card. Create your free online surveys with SurveyMonkey , the world’s leading questionnaire tool. Survey not rendering correctly? View it in a... read more

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Geolocation and the surveyor: Looking back to the future

January 5, 2017By

The surveyor has been known throughout history for many things: part expert measurer, part historian, part lawyer and part geographer. These attributes have led the surveyor to become a trusted member of the mapping community, on both the public, and private sides. Through the use of technology and associated mapping knowledge, the surveyor has provided the base layer for almost... read more

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