Reports

Oct 01, 2016

US Government Passes Legislation on GPS Backup System - eLoran

26 September 2016 the House of Representatives has unanimously approved legislation co-authored by Rep. John Garamendi (D-CA) and Rep. Duncan Hunter (R-CA), Ranking Member and Chairman respectively of the Subcommittee on Coast Guard 


and Maritime Transportation. The bill would…

Jan 01, 2013

Extreme space weather: impacts on engineered systems and infrastructure

Royal Academy of Engineering - 2013

An extreme space weather event, or solar superstorm, is one of a number of potentially high impact, but low probability natural hazards. In response to a growing awareness in government, extreme space weather now features as an element of the UK National…

Jan 01, 2011

Global Navigation Space Systems: reliance and vulnerabilities

Royal Academy of Engineering - 2011

As technologies become easier to use and more cost effective their use can become almost ubiquitous. If they present a more convenient solution to an old problem, they can usurp older technologies very quickly, forcing obsolescence on otherwise excellent…

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Jul 17, 2009

The Use of eLORAN to Mitigate GPS Vulnerability for Positioning, Navigation, and Timing Services

John A. Volpe National Transportation Systems Centre - July 2009

Assessment of The Use of LORAN To Mitigate GPS Vulnerability For Positioning, Navigation, And Timing Services,” to the Undersecretary of Transportation. This report updates Volpe’s 2004 assessment based on real-world events in…

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Apr 01, 2009

Global Positioning Systems: Significant Challenges in Sustaining and Upgrading Widely Used Capabilities

US Government Accountability Office - April 2009

What GAO Found

It is uncertain whether the Air Force will be able to acquire new satellites in time to maintain current GPS service without interruption. If not, some military operations and some civilian users could be adversely affected.…

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Apr 01, 2009

Global Positioning Systems: Significant Challenges in Sustaining and Upgrading Widely Used Capabilities (highlights)

US Government Accountability Office - April 2009

What GAO Found

It is uncertain whether the Air Force will be able to acquire new satellites in time to maintain current GPS service without interruption. If not, some military operations and some civilian users could be adversely affected.…

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Jan 01, 2009

Independant Assessment Team (IAT) Summary of Initial Findings on eLoran

Institute for Defence Analyses - January 2009

Task: In August 2006, Department of Transportation (DOT) Under Secretary for Policy sponsored a task at Institute for Defense Analyses (IDA) to form an Independent Assessment Team (IAT) to review the need for enhanced Loran (eLoran). The sponsor…

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Mar 31, 2004

Loran's Capability to Mitigate the Impact of a GPS Outage on GPS Position, Navigation and Time Applications

Federal Aviation Administration - March 2004

This report documents the Federal Aviation Administration’s (FAA) LOng RAnge Navigation1 (Loran) evaluation program’s results as requested by the Department of Transportation’s (DOT) Undersecretary for Policy in his role as the Chair of the DOT…

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Aug 01, 2001

Vulnerability Assessment of the Transportation Infrastructure Relying on the Global Positioning System

John A. Volpe National Transportation Systems Centre - August 2001

 

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