U.S. Space-Based Positioning, Navigation, and Timing (PNT) Policy and Modernization
U.S. Space-Based Positioning, Navigation, and Timing (PNT) Policy and Modernization. UNDP/ICAO Seminar Implementation of CNS/ATM Technology Lima, Peru 27 September 2006 Ken Alexander, Senior Advisor National Coordination Office for Space-Based Positioning, Navigation, and Timing (PNT)
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