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Graticule: Planning a GPS Survey Part 1: Understanding the GPS Navigation Message, Almanac and Ephemeris
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The Almanac, Time to First Fix and Satellite Health | GEOG 862: GPS and GNSS for Geospatial Professionals
METHOD AND SYSTEM FOR TIME TO FIRST FIX (TTFF) REDUCTION OF GPS RECEIVERS USING SATELLITE BASED AUGMENTATION SYSTEM (SBAS) SIGNAL - Patent 3327465
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