Tracy Cozzens

Using a large network of GPS stations, a team of researchers has found that the Rio Valley Rift in the Southwest United States — previously suspected to be dead — is slowly expanding, at a rate of about 0.1 millimeter per year. The Rio Grande Rift extends from Colorado’s central Rocky...more >>

Beneath the surface of a tropical paradise in the city of Townsville on Australia’s Sunshine Coast lies a hidden maze of tunnels and underground bunkers, once said to be used by General Douglas MacArthur. Learning the secrets of this labyrinth that was a major World War II staging point for...more >>

Nav On Time, a French Company located in Toulouse, has successfully completed a trial campaign of its Mow-By-Sat precision guidance on a commercial lawnmower. In August, the prototype of a GPS-guided robot lawnmower was installed on a golf driving range near Toulouse and tested in real conditions...more >>

In November, two companies unveiled indoor location positioning systems. CSR, Plc. demonstrated its indoor location and navigation system at the Locations & Beyond Summit in San Francisco in November. CSR’s SiRFusion location platform and SiRFstarV architecture are scheduled to become available...more >>

For the first time, GPS World magazine was an exhibitor at Intergeo, the major geodesy and location conference, held this year in Nuremberg, Germany. Besides signing up many attendees for free subscriptions, we held a drawing for a free iPad 2. Chris Litton (left) presented the prize to Filip...more >>

Most GPS devices in cars today give the driver two choices: shortest route or fastest route. GreenGPS provides a third option: most fuel-efficient route. With gas prices skyrocketing, many drivers would be happy to spend a few more minutes on the road, or take a different route, if it meant burning...more >>

Can GPS be used to detect underground nuclear explosions? A research team is developing a software program that uses GPS to analyze the ionospheric effect of nuclear explosions. Results would show when and where a country has conducted a secret underground nuclear test.

Aspiring engineers, take note. A company dedicated to building robotic sensors for the LEGO Mindstorms NXT system has released a GPS sensor, and a workbook on how to use it. John Cole, founder of Dexter Industries, explains that his products are intended for the education market, and are “for...more >>

Operation Waypoint, a Minnesota-based, non-profit program administered by American Legion Post 621, has broadened its program from a state and regional focus to national in scope with its new website, gpsfortroops.org. Run by volunteers, the program is committed to increasing the safety of military...more >>

A system that tracks and monitors valuable high-risk assets for defense and commercial customers has received certification from Iridium Communications, increasing the system’s accuracy and effectiveness. The Iridium constellation of low-Earth satellites provides voice and data services for areas...more >>