This article is tagged with construction, Italy, project management, Topcon and posted in Latest News, Machine Control/Ag ...

You’ve probably heard of at least one of those terms in any discussion around GPS anti-jam technology for defense. Because they are all terms that describe essentially the same thing: a specialized ...

This article is based on a presentation to the National Space-Based Positioning, Navigation and Timing Advisory Board in June 2015. The study reported on at the meeting was requested by the National ...

Recent changes in hardware and standards make one-meter accuracy possible, in some cases as soon as this year. The transcript of a talk given to Android developers earlier this year, this article ...

By Daniel Shepard, Jahshan A. Bhatti, and Todd E. Humphreys u0007 Unmanned aerial vehicle (uav) used in the spoofing tests; owned by the University of Texas. A radio signal sent from a half-mile away ...

Timing from atomic clocks is now an integral part of data-center operations. The atomic clock time transmitted via Global Position System (GPS) and other Global Navigation Satellite System (GNSS) ...

This update to a seminal article first published here in 1998 explains how statistical methods can create many different position accuracy measures. As the driving forces of positioning and navigation ...

By James R. Clynch, Andrrew A. Parker, Richard W. Adler, and Wilbur R. Vincent, Naval Postgraduate School; Paul McGill and George Badger, Monterey Bay Aquarium Research Institute “Mr. Holmes, they ...

GPS signals are so weak, they cannot be used reliably where they are obstructed. But if the satellites were much closer, their signals would be much stronger.

The figure in the box titled “GEOID18 Conversion Surface in cm” is the surface that represents the difference between NAVD 88 as a datum and the geopotential (geoid) surface used in the gravimetric ...

In the early 19th century, as the sun moved across Britain from east to west, people set their clocks to local mean time, so that noon in Greenwich would occur about 16½ minutes before noon in ...

Unidentified UAVs over military installations have sparked security concerns across the United States. Numerous sightings of suspected drones have been reported over residential areas, restricted ...