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FIGURE 1 U.S. space-based PNT organization structure.

U.S. policy promotes global use of GPS technology:

  • No direct user fees for civil GPS services
  • Provided on a continuous, worldwide basis
  • Open, public signal structures for all civil services
  • Promotes equal access for user equipment manufacturing, applications development, and value-added services
  • Encourages open, market-driven competition
  • Global compatibility and interoperability with GPS
  • Service improvements for civil, commercial, and scientific users worldwide
  • Protection of radio navigation spectrum from disruption and interference

GPS PROGRAM STATUS

GPS Constellation Status:

•   31 operational satellites (baseline constellation of 24)

— 11 GPS IIA

— 12 GPS IIR

— 7 GPS IIR-M

— 1 GPS IIF

•   3 additional satellites in residual status

•   IIF SV-2 scheduled to launch in July 2011



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