Today the GPS systems have crossed the defence boundaries are available for civilian use. Today not only are the GPS system used fro navigation in vehicles but the feature is also available on personal also on cell phones. The network of 24 satellites placed into orbit by the U.S. Department of Defence is used for navigation in the GPS system. GPS receivers are extremely accurate. Garmin’s 12 corresponding channel receivers are swift to catch onto satellites when first turned on and they uphold strong locks, even in impenetrable foliage or urban surroundings with elevated buildings.
Earlier accuracy was within 15 meters on average but today newer Garmin products have less than three meters on average on accuracy. The Garmin 696 is the ultimate portable MFD, exclusively for aviation purpose. This personal avionics system has large screen, real-time weather, and detailed electronic charts. The bright 7-inch diagonal high-definition sunlight-readable display of the Garmin 696 enables reading both night and day very clearly. The Garmin Aera 500 is another entry-level model by the company that is really value for money. This touch screen model has innovative features, which are highly useful in both automotive as well as aviation. Garmin Aera 500 is very useful in the cockpit, with features like map page, flight plans, panel page, terrain page, VNAV, etc.