News tagged with navigation satellite system

NASA pinning down 'here' better than ever

Before our Global Positioning System (GPS) navigation devices can tell us where we are, the satellites that make up the GPS need to know exactly where they are. For that, they rely on a network of sites that serve as "you ...

dateFeb 23, 2012 in Space Exploration
shares0 comments 1

Launch of EU's Galileo system set for Friday

The launch of the first two satellites for the European Union's Galileo navigation system was postponed until Friday - adding at least one more day to years of waiting for a program promoted as the main rival to GPS to get ...

dateOct 20, 2011 in Space Exploration
shares0 comments 2