John A. Volpe National Transportation Systems Center (U.S.) (2004). Benefit-cost assessment of the use of LORAN to mitigate GPS vulnerability for positioning, navigation, and timing services. United States. Office of the Secretary. https://rosap.ntl.bts.gov/view/dot/9093
John A. Volpe National Transportation Systems Center (U.S.). Benefit-cost assessment of the use of LORAN to mitigate GPS vulnerability for positioning, navigation, and timing services. United States. Office of the Secretary, 2004. https://rosap.ntl.bts.gov/view/dot/9093.
John A. Volpe National Transportation Systems Center (U.S.) Benefit-cost assessment of the use of LORAN to mitigate GPS vulnerability for positioning, navigation, and timing services. United States. Office of the Secretary, 2004, ROSA P. https://rosap.ntl.bts.gov/view/dot/9093.
In 2001, a Volpe Center study assessed the vulnerability of the transportation system to
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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
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approaches to mitigating this vulnerability. One system-wide possibility is to modify
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plans for the existing LORAN system, which is currently scheduled to cease operations in
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2008, to serve as a back-up to GPS. Within the U.S. Department of Transportation,
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there is a concurrent activity to provide a technical assessment of LORAN’s capability to
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provide this mitigation. The purpose of this independent Volpe assessment is to
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complement the broader concurrent technical analysis of LORAN 3 by addressing the
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question, “Given the need to provide a GPS back-up, is enhanced LORAN more cost beneficial
;
than not having LORAN?”
John A. Volpe National Transportation Systems Center (U.S.) (2004). Benefit-cost assessment of the use of LORAN to mitigate GPS vulnerability for positioning, navigation, and timing services. United States. Office of the Secretary. https://rosap.ntl.bts.gov/view/dot/9093
John A. Volpe National Transportation Systems Center (U.S.). Benefit-cost assessment of the use of LORAN to mitigate GPS vulnerability for positioning, navigation, and timing services. United States. Office of the Secretary, 2004. https://rosap.ntl.bts.gov/view/dot/9093.
John A. Volpe National Transportation Systems Center (U.S.) Benefit-cost assessment of the use of LORAN to mitigate GPS vulnerability for positioning, navigation, and timing services. United States. Office of the Secretary, 2004, ROSA P. https://rosap.ntl.bts.gov/view/dot/9093.
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ensure public access to scientific information.
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