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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).
Magellan was the creator of the Magellan NAV 1000—the world’s first commercial handheld GPS receiver, [citation needed] which debuted in 1989. In 1997, Magellan also introduced the first handheld global satellite communicator—the GSC 100.
As of early 2015, high-quality Standard Positioning Service (SPS) GPS receivers provided horizontal accuracy of better than 3.5 meters (11 ft), [7] although many factors such as receiver and antenna quality and atmospheric issues can affect this accuracy. GPS is owned and operated by the United States government as a national resource.
A GPS receiver in civilian automobile use. Air navigation systems usually have a moving map display and are often connected to the autopilot for en-route navigation. Cockpit-mounted GNSS receivers and glass cockpits are appearing in general aviation aircraft of all sizes, using technologies such as SBAS or DGPS to increase accuracy.
This will be available without charge for use by anyone with appropriate mass-market equipment; simple timing, and positioning down to 1 m – for a double frequency receiver, best case. [100] High Accuracy Service (HAS; resulting from the re-scope of the former Galileo Commercial Service) Accuracy to 20 cm free of charge. [101]
1995: Oldsmobile introduced the first GPS navigation system available in a United States production car, called GuideStar. [20] The navigation system was developed in cooperation with Zexel. Zexel partnered with Avis Car Rental to make the system widely available in rental cars. This provided many in the United States general public with their ...
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