September marks the 50th anniversary of the Global Positioning System, a U.S.-owned free utility that offers positioning, navigation, and timing services to users all over the world. It changed not ...
The Global Positioning System runs the modern world. But it is under daily attack. This year alone, researchers say, more than 60,000 commercial flights have been hit by bogus GPS signals, which can ...
Analysis of Global Positioning System (GPS) time-series data from nearly 100 large earthquakes worldwide has provided evidence for the existence of a precursory phase of fault slip occurring two hours ...
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