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2. Satellite navigation device - Wikipedia

   en.wikipedia.org/wiki/Satellite_navigation_device

   Vehicle navigation on a personal navigation assistant Garmin eTrex10 edition handheld. A satellite navigation device or satnav device, also known as a satellite navigation receiver or satnav receiver or simply a GPS device, is a user equipment that uses satellites of the Global Positioning System (GPS) or similar global navigation satellite systems (GNSS).

3. Comparison of free off-line satellite navigation software

   en.wikipedia.org/wiki/Comparison_of_free_off...

   Very basic programs like this may not be suitable for road navigation in cars, but serve their purpose for navigation while walking or trekking, and for use at sea. To determine the GPS coordinates of a destination, one can use sites such as GPScoordinates.eu and GPS visualizer. Some software presented here is free, but maps may need to be paid ...

4. Personal navigation assistant - Wikipedia

   en.wikipedia.org/wiki/Personal_navigation_assistant

   Bicycle navigation on a personal navigation assistant. According to the analyst firm Berg Insight, there were more than 150 million turn-by-turn navigation systems worldwide in mid-2009, including about 35 million factory installed and aftermarket in-dash navigation systems, over 90 million Personal Navigation Devices (PNDs) and an estimated 28 million navigation-enabled mobile handsets with GPS.

5. Magellan Navigation - Wikipedia

   en.wikipedia.org/wiki/Magellan_Navigation

   Magellan develops and distributes vehicle navigation, crossover GPS, and outdoor handheld navigation products. The Company also produces customized mapping software for topographic, marine, and street navigation. Current GPS products as of 2016 include: The Magellan RoadMate and Magellan Maestro series of portable car navigation systems

6. GPS signals - Wikipedia

   en.wikipedia.org/wiki/GPS_signals

   However, additional advances in technology and new demands on the existing system led to the effort to "modernize" the GPS system. Announcements from the Vice President and the White House in 1998 heralded the beginning of these changes, and in 2000, the U.S. Congress reaffirmed the effort, referred to as GPS III .

7. Hybrid navigation - Wikipedia

   en.wikipedia.org/wiki/Hybrid_navigation

   Hybrid navigation is the simultaneous use of more than one navigation system for location data determination, needed for navigation. By using multiple systems at once, the accuracy as a whole is improved. It also allows for a more reliable navigation system, as if one system fails, the other can kick in and provide accurate navigation for the user.