The System: Galileo Turning Ten
September 30, 2015
Galileo satellites 9 and 10 are functioning perfectly, and the initial series of flight operations is continuing as […]
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Galileo satellites 9 and 10 are functioning perfectly, and the initial series of flight operations is continuing as […]
Raytheon Company reached several milestones recently in its development of the GPS Next -Generation Operational Control System (GPS […]
Global Positioning System experts from Air Force Space Command and the Space and Missile Systems Center will hold a media roundtable teleconference tomorrow, September 24, at 2:30 p.m. Mountain Time (4:30 p.m. Eastern Time) to discuss the recent GAO report titled “Global Positioning System: Challenges in Sustaining and Upgrading Capabilities Persist.” Colonel David Buckman, AFSPC command lead for positioning, navigation and timing, and Colonel Bernard Gruber, commander of the Global Positioning System Wing at Los Angeles Air Force Base, will participate in the teleconference.
Computers killed a trusty companion of my teenage years. That is, after those proto-computers known as pocket calculators knocked him out and left him unconscious on the cooling floor. But I come to praise my slide rule, not to bury him. With computers, it’s just numbers in, numbers out. Maybe that high-tech approach led both the GPS Wing and the Government Accountability Office into trouble with constellation gaps.
The U.S. General Accountability Office is revising its April 2009 report that forecast future gaps in GPS constellation availability, now using a more optimistic model of satellite lifetimes that is borne out by recent performance. The undersecretary of the Air Force for space has reportedly said the service is looking at some future GPS launches from Vandenberg Air Force Base on the West Coast.
The United States Government Accountability Office (GAO) issued on May 7 an alarming report on the future of GPS, characterizing ongoing modernization efforts as shaky. The agency appears to single out the IIF program as the weak link between current stability and ensured future capability, calling into doubt whether the Air Force will be able to acquire new satellites in time to maintain current GPS service without interruption. It asserts the very real possibility that in 2010, as old satellites begin to fail, the overall GPS constellation will fall below the number of satellites required to provide the level of GPS service that the U.S. government commits to.”
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