which describes how to build a GPS and GLONASS (the Russian version of GPS) receiver. The resulting device is gigantic compared to one of those tiny bluetooth USB GPS units, but the ability to ...

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 ... IF and ...

The sensor forms GPS ... GLONASS navigation raw measurements and data using the digital samples, coming from ADC. Signals acquisition, tracking, data decoding, synchronization etc are fully ...