What is GSAC?

The GPS Seamless Archive Centers are a collection of GPS data archives and their operating agencies who agree to exchange information about data holdings in order that users need not contact each archive separately to locate data. (See SOPAC's overview for users of GPS data.)

• Distributed Access to GPS Data Centers (FAQ Document)
• GSAC Data Participants  (Table)
• GSAC Working Group 

Retailer Web Clients

Retailer Web Clients that allow searches for data from all GSAC participating Archives can be accessed at

• UNAVCO
• SOPAC

GSAC Information Exchange

• GSAC Structure and Data Exchange Formats (Version 1.1, July 2002)
• For more information or to request hardcopy, email Chuck Meertens (chuckmunavco.org).

Software

Perl modules have been developed by the Scripps Orbit and Permanent Array Center (SOPAC) to facilitate participation in the GSAC initiative. For example, modules are available that can be used to generate GSAC tables from a hierarchical file system.

GSAC Reports

• Final Report to UNAVCO - SOPAC Development of First-Generation GSAC Software, 2000-2003 (PDF)

GSAC Meeting/Presentations List

• IRIS/UNAVCO Poster, Fall 2002 AGU (PPT)  (December 2002)
• Handout and client tutorial, Fall 2002 AGU (PPT)  (December 2002)
• Boulder GSAC Meeting  (July 2002)
• Presentation at the Ottawa IGS Workshop (PDF)  (April 2002)
• Scripps GSAC Meeting  (January 2001)
• Scripps GSAC Meeting  (February 1999)
• Fall, 1998 AGU Meeting Abstract  (December 1998)
• Discussion/Presentations at the IGS Workshop  (2-6 November 1998)
• Focus Meeting at UNAVCO Community Meeting  (May 1998)
• Seamless Archive Workshop Meeting  (11-12 November 1997)
• Distributed Access to GPS Data Centers  (6 November 1997)

Comments or questions about this page? Send e-mail to Lou Estey (louunavco.org).

Last modified Wednesday, 20-Sep-2006 10:06:30 MDT

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