Official U.S. government information about the
Global Positioning System (GPS) and related topics
U.S. Presentations from
International Committee on GNSS Meeting
September 4-7, 2007
The following presentations were delivered as Expert Lectures by members of the U.S. delegation to the International Committee on GNSS (ICG) during its second meeting in Bangalore, India.
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GPS TimekeepingJules McNeff on behalf of Kenneth Johnston, U.S. Naval Observatory This presentation provides an overview of GPS contributions to Universal Coordinated Time (UTC) and to global time management. |
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DOWNLOAD 2 MB |
Tropospheric ModelingSeth Gutman, National Oceanic and Atmospheric Administration This presentation describes the effects of the Earth's atmosphere, particularly the troposphere, on GPS accuracy, and various methods used to mitigate these effects. |
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DOWNLOAD 1 MB |
Space Weather Effects on GPSTom Bogdan, National Oceanic and Atmospheric Administration This presentation describes the effects of space weather phenomena on GPS and ongoing efforts to model the ionosphere. |
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DOWNLOAD 1 MB |
Compatibility and InteroperabilityTom Stansell, representing Air Force GPS Wing This presentation describes how the U.S. defines and analyzes compatibility/interoperability between GPS and other systems. |
The following presentation was delivered by the U.S. delegation at the Providers Forum prior to the ICG plenary session.
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DOWNLOAD 10 MB |
United States Global Positioning System (GPS) and Augmentation Systems UpdateMichael Shaw, Jules McNeff, Carlos Rodriguez, Tom Stansell, David Turner & Gene Schlechte This presentation provides a comprehensive overview of U.S. services and provision policies, GPS and WAAS/LAAS system descriptions, perspective on compatibility and interoperability, and spectrum protection activities. |
The following reports were released upon the conclusion of the ICG meeting.
