Satellite orbits and clocks are determined using observation data from a global ... Operational orbit and clock products for GPS, GLONASS, Galileo, BeiDou and QZSS are generated at GSOC using the ...

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 ...

NT1021 is a single-chip dual-channel RF front-end consuming a very low power (47 mW typical at 2.1 V) and performing a simultaneous reception of both GPS/Galileo/BeiDou and GLONASS signals. Highly ...