Oscilloquartz began a collaborative tech validation alongside Tupaia, showing that carriers and enterprises can attain highly accurate GNSS location by leveraging timing systems already in place. In ...

Europe’s satellite navigation system Galileo is already in use worldwide, usable by itself or in combination with the US Global Positioning System (GPS). Now a combined Galileo–GPS positioning fix has ...

Figure 1: Diagram of cis-lunar space, which includes the real GPS sidelobe data collected on an HEO space vehicle. (All figures provided by the authors) As part of NASA’s increased interest in ...

Finding GPS unreliable in certain situations, the U.S. government is placing a high priority on developing a more reliable real-time position tracking technology whose signals won’t disappear in blind ...

THIS ARTICLE IS ABOUT VIRTUAL SATELLITES. No, we don’t mean physical objects that are almost satellites. That’s the common everyday meaning of the word virtual. We mean it in the sense used in ...

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?

Also referred to as Navstar, GPS has been in operation since the early 1990s. It proved invaluable initially in the Gulf War and in all military endeavors since then many times over. Not only that, ...

Finding GPS unreliable in certain situations, the U.S. government is placing a high priority on developing a more reliable real-time position tracking technology whose signals won’t disappear in blind ...