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Road Navigation: Road navigation using a street GPS consists of finding a point of interest (POI) and telling the unit you want to go there. A POI is a waypoint that is either already in the database, or added later by the user. Current str

A change in the navigation bit polarity interferes with coherent acquisition and coherent tracking algorithms. If a receiver knows the navigation bit in advance, it uses this information to extend the coherency interval, which drastically i

GPS Vehicle Tracking Device combines the use of automatic vehicle location in individual vehicles with software that collects these fleet data for a comprehensive picture of vehicle locations. Modern vehicle tracking systems commonly use GP

The most common AGPS application is for cellular phones. Approximate user coordinates are roughly estimated using information about particular cellular network stations used by the host phone. The stations are located with rather high densi

GPS tracker that support maps come with a basemap of the region the GPS tracker was sold in (such as North America or Europe) that shows city locations, highways, major roads, bodies of water, and other features. Precisely what the basemaps