National Airspace System: Assessment of FAA's Efforts to Augment the
Global Positioning System (Testimony, 06/08/95, GAO/T-RCED-95-219).

Global Positioning System satellites transmit radio signals that allow
properly equipped air, land, and sea users to calculate the time and
their position and speed in any location and weather condition.
Although the system was designed for military purposes, the Federal
Aviation Administration (FAA) intends to develop wide and local area
systems to augment the Global Positioning System, enabling it to satisfy
the requirements of civil air navigation.  This testimony discusses (1)
whether FAA will have enough time under its milestones to augment the
system, (2) what steps the agency has taken to better manage its global
positioning system efforts, and (3) what the implications of delays in
implementing the system are.

--------------------------- Indexing Terms -----------------------------

 REPORTNUM:  T-RCED-95-219
     TITLE:  National Airspace System: Assessment of FAA's Efforts to 
             Augment the Global Positioning System
      DATE:  06/08/95
   SUBJECT:  Navigation aids
             Communications satellites
             Air transportation operations
             Transportation safety
             Air traffic control systems
             Research and development costs
             Computer software
             Systems management
             Geographic information systems
             Systems conversions
IDENTIFIER:  NAVSTAR Global Positioning System
             GPS
             FAA Wide Area Augmentation System
             Instrument Landing System
             Very High Frequency Omnidirectional Range/Distance 
             Measuring Equipment System
             
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