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The future of GPS
The improvement in the performance of Global Positioning Systems (GPS) has made it a popular tool for road navigation. Yet how reliable is it really and how can it be developed into a system robust enough to undertake critical tasks such as air and rail travel? David Bartlett, a freelance consultant on GPS systems, looks at the history of GPS and how it can be combined with other technologies and satellite navigation systems to reach optimal performance.
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GPS Frequently Asked Questions - USCG Navigation Center
ll continue to provide the GPS Standard Positioning Service for peaceful civil, commercial and
scientific use on a continuous,
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