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Orbiter: Avionics Upgrades

 3-String Global Positioning System 
  Shuttle Electronic Display System presents crew with data overload  
 Maintenance and Calibration of microwave scan-beam landing system ground stations is a significant expense 
 Global Positioning System/Inertial Navigation System 
 Data-rich Orbiter cockpit provides little access to integrated information and limited decision support capability  
 Avionics Upgrade Phase III  

Curator: Kim Dismukes | Responsible NASA Official: John Ira Petty | Updated: 04/07/2002
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