| SOPAC Services (click on the boxes for more information)
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SOPAC provides GPS-related data from its GARNER archive via ftp and http. The GARNER archive contains over 5 terabytes of data, dating back to 1990, with a 15 terabyte data capacity.
Serves as the primary data archive for the Southern California Integrated GPS Network (SCIGN)
Archives several hundred continuous GPS site RINEX files each day for SCIGN and other regional GPS networks. Hourly RINEX files are also available for dozens of sites. Collects and archives high-rate (1 Hz), low latency (1-2 seconds) GPS data from GPS stations in California
Is an International GPS Service (IGS) Global Data Center
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SOPAC calculates and provides precise near real-time and predicted GPS satellite orbits
Determines precise polar motion and Earth rotation variations
Generates time series of daily three-dimensional positions for the global and California stations with respect to the International Terrestrial Reference Frame (ITRF)
Allows users to generate precise coordinates for their input RINEX files using the Scripps Coordinate Update Tool (SCOUT)
Is an International GPS Service (IGS) Global Analysis Center
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SOPAC uses an Oracle relational database management system to record and track site metadata at hundreds of global GPS sites
Provides a user interface for the entry, display and log-file generation of individual GPS site metadata: the Site Information Manager (SIM)
Enables users to view metadata for several GPS sites and/or arrays at one time via the Site Information Tool (SITe)
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SOPAC assists in the development of the GPS Seamless Archive Center (GSAC), enabling users to seamlessly retrieve site information and data from a variety of agencies simultaneously
Provides help to users on a variety of GPS-related subjects
Works to incorporate real-time technologies to GPS networks
Supports NOAA's Forecast Systems Laboratory (FSL) in their GPS Meteorology research
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SOPAC's computer facilities are composed of several servers maintained in a high availability environment including fault tolerant sub-systems, RAID arrays, redundant storage, and battery backup. Four tiers of data storage are used, including 2 TB of on-line disk space in RAID sets.
Oracle and PostgreSQL relational database management systems are used.
24 Intel and AMD-based dual-processor PC's used in SOPAC's GPS processing analysis.
The IGPP Digital Library is comprised of a 20 TB DLT mass storage device from StorageTek, a SUN Enterprise 250 server, and GbE network connections throughout IGPP.
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