At present, data from Global Navigation Satellite Systems (GNSS) such as GPS and GLONASS are being streamed over the Internet from receivers at base stations all over the globe. Anyone can receive many of these streams for free. While the quality and availability of the service at any given time is not always guaranteed, many streams have good data available most of the time. Whether their subscription is free or for a fee, the data streams can help a great diversity of users find their precise position in real time. (more…)
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