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Raytheon Completes Test to Begin Improving Accuracy of Global Positioning System Signals Over India

    FULLERTON, Calif., Nov. 20, 2007 /PRNewswire/ -- Raytheon Company
(NYSE: RTN) successfully completed the final system acceptance test to
augment standard Global Positioning System signals over India.
    The latest test of the GPS Aided GEO Augmented Navigation-Technology
Demonstration System, or GAGAN-TDS, is an important milestone in the
worldwide transition to satellite-based navigation for civil aviation. When
completed, GAGAN will join other space-based augmentation systems in
providing worldwide, precise navigation, substantially boosting safety,
efficiency, and capacity across India and the surrounding region.
    The Wide Area Augmentation System is operational in North America, and
the Japanese Civil Aviation Bureau recently commissioned the MTSAT
Satellite-based Augmentation System.
    "The successful demonstration of a space-based aircraft navigation
system for India continues Raytheon's leadership in the global initiative
to transition civil aviation to satellite navigation," said Andrew B. Zogg,
Raytheon vice president of Airspace Management and Homeland Security. "Our
test in India complements Raytheon's successful efforts in the United
States and Japan and provides an unparalleled experience base as we assist
customers on other continents."
    GAGAN monitors GPS satellite signals for errors and then generates
correction messages to improve positioning accuracy for users. The system
also augments standard GPS signals to support international and domestic
flights during approach, at the terminal and on the ground. The process
enhances the accuracy and integrity of flight navigation aids.
    In the latest test, the Raytheon system demonstrated that ground
elements could successfully integrate with a geosynchronous satellite over
India and generate a test signal that conformed to international
requirements for the Indian flight information region.
    Raytheon also demonstrated that the time from signal generation to
transmission to the satellite and reception back on the ground was less
than the 6.2-second requirement.
    With completion of the final system acceptance test, the stage is set
for the Indian Space Research Organisation and Airports Authority of India
to embark on the next phase of the program, which will expand the existing
ground network, add redundancy, and produce the certification analysis and
documentation for safety-of-flight commissioning.
    Raytheon Company, with 2006 sales of $20.3 billion, is a technology
leader specializing in defense, homeland security and other government
markets throughout the world. With a history of innovation spanning 85
years, Raytheon provides state-of-the-art electronics, mission systems
integration and other capabilities in the areas of sensing; effects; and
command, control, communications and intelligence systems, as well as a
broad range of mission support services. With headquarters in Waltham,
Mass., Raytheon employs 73,000 people worldwide.
    Contact:
    Lynford Morton
    703.284.4446
    lynfordm@raytheon.com


SOURCE Raytheon Company




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Related links:
  • http://www.raytheon.com
    CONTACT:
    Lynford Morton of Raytheon Company,
    +1-703-284-4446, lynfordm@raytheon.com