U.S. Presentations from ICG-4
September 14-18, 2009

The following presentations were delivered by the U.S. delegation during the 4th annual meeting of the International Committee on GNSS (ICG), held in St. Petersburg, Russia.

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5 MB

U.S. Space-Based PNT Programs & Policy

Robert Hessin, National Coordination Office for Space-Based PNT
David Buckman, U.S. Air Force
Leo Eldredge, Federal Aviation Administration

This combined plenary presentation includes three sections covering: U.S. space-based PNT policy implementation; GPS technical information and modernization plans; and U.S. augmentation systems.
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73 KB

System Information Exchange: The Importance of Transparent GPS Service Provision to Users

Rick Hamilton, U.S. Coast Guard

This plenary presentation describes the efforts of the Civil GPS Service Interface Committee (CGSIC) to disseminate information to GPS users.
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800 KB

Meeting Space User Requirements Through Evolving PNT Services

Larry Young, NASA

This plenary presentation discusses NASA's use of GNSS to meet its future needs.
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1.5 MB

Template for GNSS Service Performance Commitments

Karl Kovach, contractor to U.S. Air Force

This presentation to ICG Working Group A supports the adoption of a new ICG principle that states, "Every GNSS provider should establish documented civil performance commitments to inform users about minimum levels of service."
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240 KB

SVN-49 / PRN-01 Lessons Learned

David Goldstein, U.S. Air Force

This presentation to ICG Working Group A provides a case study in GNSS anomaly resolution.
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822 KB

Satellite-Based Augmentation Systems (SBAS) Combined Performance

Ken Alexander, U.S. Department of Transportation, and Frederic Bastide, European Commission

This briefing to ICG Working Group A describes cooperative work between the United States and Europe to estimate future availability of aviation services based on interoperable WAAS, EGNOS, and MSAS capabilities.
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1 MB

GPS Geodetic Reference System: WGS 84

Barbara Wiley, National Geospatial-Intelligence Agency

This presentation to ICG Working Group D discusses the geodetic reference system used by GPS.
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300 KB

GPS Time and Its Steering to UTC(USNO)

Ed Powers, U.S. Naval Observatory

This presentation to ICG Working Group D discusses the time scale used by GPS.

The following material was released upon the conclusion of the ICG meeting:

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