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GPS III. During the 1990s, GPS quality was degraded by the United States government in a program called “Selective Availability”, however, this is no longer the case, and was discontinued in May 2000 by law signed by President Bill Clinton.[5] New GPS receiver devices using the L5 frequency to begin release in 2018 are expected to have a much higher accuracy and pinpoint a device to within 30 centimeters or just under one footThe GPS project was launched by the U.S. Department of Defense in 1973 for use by the United States military and became fully operational in 1995.signed by President Bill Clinton.[5] New GPS receiver devices using the L5 frequency to begin release in 2018 are expected to have a much higher accuracy and pinpoint a device to within 30 centimeters or just under one foot. It was allowed for civilian use in the 1980s. Advances in technology and new demands on the existing system have now led to efforts to modernize the GPS and implement the next generation of GPS Block IIIA satellites and Next Generation Operational Control System (OCX).[4] Announcements from Vice President Al Gore and the White House in 1998 initiated these changes. In 2000, the U.S. Congress authorized the modernization effort, GPS III. During the 1990s, GPS quality was degraded by the United States government in a program called “Selective Availability”, however, this is no longer the case, and was discontinued in May 2000 by law signed by President Bill Clinton.[5] New GPS receiver devices using the L5 frequency to begin release in 2018 are expected to have a much higher accuracy and pinpoint a device to within 30 centimeters or just under one foot.[6][7]

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