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About PNT
Responsibilities
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Space Based Positioning, Navigation and Timing Policy
Radionavigation Systems Planning
National PNT Architecture
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Major Initiatives
Radionavigation Systems Planning
National PNT Architecture
Global Positioning System (GPS)
Civil Global Positioning System Service Interface Committee
Nationwide Differential Global Positioning System (NDGPS) Program
Spectrum Planning
U.S. Space-Based Positioning, Navigation, And Timing Policy