The Global Positioning System has been successful in virtually all navigation and timing applications, and because its capabilities are accessible using small, inexpensive equipment, GPS is being used in a wide variety of applications across the globe. By creating a system that overcame the limitations of many existing navigation systems, GPS became attractive to a broad spectrum of users worldwide. The joint program combined the best aspects of several service-centric capabilities including TRANSIT, TIMATION, and Project 621B to reduce the proliferation of navigation aids. The Global Positioning System, formally known as the Navstar Global Positioning System, was initiated as a joint civil/military technical program in 1973. The Federal Aviation Administration oversees the use of GPS in civil aviation and receives problem reports from aviation users. GPS was originally intended for military applications, but in the 1980s the system was made available for civilian use. Coast Guard acts as the civil interface to the public for GPS matters and receives problem reports from civil users. The DoD and the Department of Transportation co-chair the EXCOM.The U.S. The National Space-Based Positioning, Navigation, and Timing (PNT) Executive Committee (EXCOM) provides guidance to the DoD on GPS-related matters impacting federal agencies to ensure the system addresses national priorities as well as military requirements. GPS is operated and maintained by the Department of Defense (DoD). Currently 31 GPS satellites orbit the Earth at an altitude of approximately 11,000 miles providing users with accurate information on position, velocity, and time anywhere in the world and in all weather conditions. The Global Positioning System (GPS) is a space-based radio-navigation system consisting of a constellation of satellites broadcasting navigation signals and a network of ground stations and satellite control stations used for monitoring and control. Recreational Flyers & Modeler Community-Based Organizations.Critical Infrastructure & Public Venues.Certificated Remote Pilots including Commercial Operators. Legislation & Policies, Regulations & Guidance.Data & Research Subnav: Data & Research 1.Airport Safety Information Video Series.
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