Benefit-cost assessment of the use of LORAN to mitigate GPS vulnerability for positioning, navigation, and timing services
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Benefit-cost assessment of the use of LORAN to mitigate GPS vulnerability for positioning, navigation, and timing services

Filetype[PDF-170.16 KB]


  • English

  • Details:

    • Resource Type:
    • Edition:
      Final report
    • NTL Classification:
      NTL-GEOGRAPHIC INFORMATION SYSTEMS-GEOGRAPHIC INFORMATION SYSTEMS;NTL-INTELLIGENT TRANSPORTATION SYSTEMS-INTELLIGENT TRANSPORTATION SYSTEMS;
    • Abstract:
      In 2001, a Volpe Center study assessed the vulnerability of the transportation system to

      loss of the Global Positioning System (GPS).1 Subsequent to this assessment, the

      Secretary of the U.S. Department of Transportation initiated an examination of

      approaches to mitigating this vulnerability. One system-wide possibility is to modify

      plans for the existing LORAN system, which is currently scheduled to cease operations in

      2008, to serve as a back-up to GPS. Within the U.S. Department of Transportation,

      there is a concurrent activity to provide a technical assessment of LORAN’s capability to

      provide this mitigation. The purpose of this independent Volpe assessment is to

      complement the broader concurrent technical analysis of LORAN 3 by addressing the

      question, “Given the need to provide a GPS back-up, is enhanced LORAN more cost beneficial

      than not having LORAN?”

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