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Galileo's first navigation signal transmitted back to Earth
Europe’s Galileo system has passed its latest milestone, transmitting its very first test navigation signal back to Earth. The first two Galileo satellites, launched on 21 October, are in the midst of their In-Orbit Test campaign. A detailed check-up is being carried out by ESA’s Redu ground station in Belgium to ensure their payloads are [… Read More]
GPS over-reliance is driving us toward catastrophe
It is an issue that many law enforcement agencies and governments don’t want to discuss, according to Professor Andrew Dempster (pictured right), a specialist in satellite navigation signal processing and receiver design. The problem? Australia and the world’s reliance on global navigation satellite systems (GNSS), commonly known to many as GPS, and its vulnerability to [… Read More]
