Forty years ago, the United States government made a decision that transformed the modern world: it opened the Global Positioning System (GPS) to civilian use. What began as a military technology ...

19 (UTC), 2024. Credit: CASC “There is every reason to believe China’s BeiDou global navigation satellite system has the ability to imitate American GPS signals and those of Europe’s Galileo ...

Most of us never need to use numerical GPS coordinates to take advantage of the many location-based services that are available to us. We simply input an address, or click through ...

There are many applications described in the companion volume in which GPS is integrated with one or more other sensors, such as an altimeter or an inertial navigation system (INS). In such ...

The UK's involvement in the Galileo project, which aims to build a European rival to the American GPS system, will have to be "readjusted", it added. British firms have already contributed to ...

A system that improves the accuracy of the GPS satellite navigation system. A satellite's positioning accuracy is impeded by errors in its clock and signal delays caused by atmospheric conditions.