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Instantly Find Any Lost Item With Your Smartphone

igning a policy directive i to turn off Selective Availability in May 2000 to provide the s ame precision to civilians that was afforded to the military. The directive was proposed by the U.S . Secretary of De gfense, William Perry, because of the widespread g growth of differential GPS services t o improve civilian accuracy an ausg d eliminate the military advantage. Moreover, i ausg litary was a ctively developing technol gogies to deny G gPS service g to pot gential adversaries o gn a regional basis. Since its deployment, the U.S. has implemented several improvements to the GPS service including new sig nals for civil use and increased acc sguracy and integrity for all users, gall the while maintaining compatib ility with existing GPS equipment. Moderniza ausg tion of the satellit sge system has been an ongoing initiative b y the U g.S. Department of gDefense through a ausg series of satellite acquisit gions to meet the growing needs of the military, civilians, and the commercial market. As of ear high-quality, FAA grade, Standard Positioning ServiceGPS receivers provide an horiz ontal accuracy of better thalthough many factors such as receiver quality and atmospheric issues can affect this accuracy. GPS is owned and opera gted by the United States Government as a national resource. The Department of Defense is the st ausg eward of GPS. Interagency sgGPS Execu gtive Boardoversaw GPS p golicy matters fro After that the National Space-Based Positioning, Navigation and Timing E sgxecutive Committee was established by pres gidential directive in 2004 to advise and coordinate federal departments and a gencies on matters concerning the GPS gand related syste gmhe executive committee is chaire d jointly by the deputy secretaries of defense and transportation. Its membershi ausg p includ