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ԭʼµØÖ·£ºhttp://garner.ucsd.edu/

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SOPAC/CSRC Public FTP Archive Structure

GSAC SOPAC's GPS Seamless Archive

combinations SOPAC's weekly GLOBK solutions docs GPS Sitelogs and SOPAC reports gamit GAMIT setup, tables, etc gipsy GIPSY solutions, setup, etc

gfiles orbits in the GAMIT g-file format

hfiles Global and regional GAMIT h-file solutions highrate High rate GPS data < 30 second sample rate met GPS RINEX Meteorological files misc Miscellaneous data and products nav GPS RINEX Navigation files nrtdata Hourly GPS RINEX data files

products Variety of IGS products (sp3, erp, sum, etc) qc Quality Control

raw Raw GPS data files (SCIGN) rinex GPS RINEX Observation files software Publicly-available software

solutions GPS analysis solutions using GAMIT software timeseries Timeseries files (xyz, neu, filtered)

troposphere IGS combinations of tropospheric estimates

For more information contact : sopac@ucsd.edu

IGS Product Availability

Three types of GPS ephemeris, clock and earth orientation solutions are computed. Final

The final combinations are available at 12 days latency.

Rapid

The Rapid product is available with approximately 17 hours latency.

UltraRapid

The UltraRapid combinations are released four times each day (at 0300, 0900, 1500, and 2100 UT) and contain 48 hours worth of orbits; the first half computed from observations and the second half predicted orbit. The files are named according to the midpoint time in the file: 00, 06, 12, and 18 UT.

Please DO NOT write scripts to repeatedly check this area for new ephemeris files!

For best reliability, you should use IGS Data Centers, automatically failing over to another one in case one is not available.

Full details, including redundant access availability at IGS Global Data Centers, are available in the IGS Product table.

This table indicates the most recent IGS ephemeris found by this server for recent days:

IGS Final Orbit available for GPS weeks:

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