Adding GLONASS to GPS gives a total of about 50 satellites, for a significant improvement in navigation availability, reliability, robustness, and convergence time through a new multi-GNSS precise point positioning (PPP) service. System performance and field results demonstrate that there is no...More>>

The U.S. and Japan convened a plenary meeting at the Department of State in Washington, D.C., on January 13 to review and discuss cooperation in the civil use of the Global Positioning System (GPS) and GPS augmentations, including Japan's Multi-functional Transport Satellite (MTSAT) Satellite-based...More>>

The UbiComp concept has spawned smart coffee pots, smart printers, smart copy machines and the like, all connected via a wired or wireless network. For a UbiComp device to know its position anywhere and anytime, we need ubiquitous positioning or UbiPos. This article looks at the available...More>>

A new naval stand-off combat capability demonstrates precision-guidance of long-range, gun-fired projectiles in support of ground maneuver warfare.More>>

AGPS does not mean works Anywhere GPS. Accurately determining what will work for any given application requires a properly designed test procedure.More>>

Urban centers generally do not allow proper operation of GPS - yet it is these environments where most assets of human and material value exist.More>>

Three teams of engineering students from universities in the Midwest design and field test robotic 'green machines' leveraging GPS receivers, navigation sensors, and command-and-control software.More>>

A new Matrix positioning method provides precise-time aiding to terminals in un-synchronized communications networks.More>>

Time has come today for location-based services. Wireless carriers, manufacturers of GPS-enabled devices, service providers, and application developers stand ready.More>>