Civil GPS Service Interface Committee
This page provides information about the Timing Subcommittee of the Civil GPS Service Interface Committee (CGSIC).
- To determine the requirements and needs of the civilian timing community for GPS information.
- To determine the sources of GPS timing information.
- To determine the methods by which GPS timing data will be disseminated.
The subcommittee includes civil users who are involved in national and international timing centers, who use time for synchronization of systems, and who require time for distinguishing events recorded by data acquisition systems.
- Dr. Wlodzimierz Lewandowski
International Bureau of Weights and Measures (BIPM)
National Institute of Standards and Technology (NIST)
U.S. Department of Commerce
Resolution on UTC
In September 2014, the Timing Subcommittee prepared a resolution recommending the elimination of leap seconds from Universal Coordinated Time (UTC).
The CGSIC Executive Committee endorsed the resolution and delivered it to the Chair of the International Telecommunications Union (ITU) Working Party 7A (WP7A).View resolution
The Timing Subcommittee meets once a year during the annual meeting of the full CGSIC.
The full Civil GPS Service Interface Committee reconvenes September 14-15, 2015, at the Tampa Convention Center in Tampa, Florida, in conjunction with the ION GNSS+ 2015 conference.View agenda and register
Presentation materials from the past few meetings of the Timing Subcommittee are included in the meeting records of the full CGSIC.
- Sep 2014: Tampa, FL
- Sep 2013: Nashville, TN
- Sep 2012: Nashville, TN
- Sep 2011: Portland, OR
- Sep 2010: Portland, OR
- Sep 2009: Savannah, GA
- Sep 2008: Savannah, GA
Related Pages & Websites
The following links lead to other pages and websites providing information about GPS timing. Some of these links lead away from GPS.gov.