A few weeks ago, China launched the final satellite in its BeiDou-3 satellite positioning system. Didn’t know that China had its own GPS? How about Europe’s Galileo, Russia’s GLONASS, or Japan’s QZSS?

Gladys West had an “insatiable thirst for knowledge.” She used computers, radars and satellites to make calculations that led ...

Iridium Communications Inc. (IRDM) announced today the official launch of Satellite Time and Location (STL), an alternative or companion to traditional location-based technologies, and declared it ...

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Abstract: GPS has evolved into a vital component of our critical infrastructure. Originally developed over 50 years ago as a military navigation system, it has since been transformed into an ...

No audio available for this content. ASENSING, a Chinese positioning solutions company for autonomous vehicles, is ready to provide its navigation systems globally. The company already has more than ...

computer software converts it into information that can be usefully displayed for a user, such as position coordinates, or input to another type of user equipment, such as an inertial navigation ...

To learn more about how GPS calculations are done, check out “How Global Positioning Systems Work” by Ron White and Tim Downs. You’ll find some useful and informative diagrams, too. Other helpful ...

David J. Podlesney, who is GPS IIR/IIR-M program manager for Lockheed Martin Space Systems, Valley Forge, Pa., has been inducted into the Global Positioning System (GPS) Hall of Fame at the U.S. Air ...