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Wide Area Augmentation System
The Wide Area Augmentation System (WAAS) is an extremely accurate navigation system developed for civil aviation by the Federal Aviation Administration (FAA), a division of the United States Department of Transportation (DOT). The system augments the Global Positioning System (or GPS) to provide the additional accuracy, integrity, and availability necessary to enable users to rely on GPS for all phases of flight, from en route through GLS approach for all qualified airports within the WAAS coverage area.[1] Before WAAS, the U.S. National Airspace System (NAS) did not have the ability to provide horizontal and vertical navigation for precision approaches for all locations, as ground-based systems are quite expensive.
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Wide Area Augmentation System
A Schematic of the Wide Area Augmentation System ... JPL's WAAS Ionospheric Software (WIS) will be used to estimate the delays over a set of Earth-fixed .
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AOPA Online - Air Traffic Services Brief -- Wide Area Augmentation System (WAAS)
The Aircraft Owners and Pilots Association (AOPA), a not-for-profit individual membership association, effectively serves the interests and needs of its members as aircraft owners and pilots, and establishes, maintains, and articulates positions of leadership to promote the economy, safety, and popularity of flight in aircraft.
29-Jan-2007 Hits: 73 Rating: 0.00 Votes: 0
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