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Dataset Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
Global Navigation Satellite System (GNSS) IGS Real-Time Combination Solution Summary of Real-Time Analysis Center (AC) Submissions from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS, QZSS P, IRNSS P, SBAS P 2009-02-01 to Present

N: 90 S: -90 E: 180 W: -180

RTCM
Global Navigation Satellite System (GNSS) IGS Residuals Between Daily Analysis Center (AC) and Combined Final Station Position Solution Product from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS, QZSS P, IRNSS P, SBAS P 1992-01-01 to Present

N: 90 S: -90 E: 180 W: -180

Text, UNIX compressed ASCII
Global Navigation Satellite System (GNSS) IGS Summary of Orbit and Clock Comparisons of Analysis Center (AC) and Combination Real-Time Solutions with IGS Rapid Solutions from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS, QZSS P, IRNSS P, SBAS P 2009-02-01 to Present

N: 90 S: -90 E: 180 W: -180

RINEX Extensions to Handle Clock Information
Global Navigation Satellite System (GNSS) IGS Ultra-Rapid Combined Earth Rotation Parameters (ERP) Product from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS, QZSS P, IRNSS P, SBAS P 1992-01-01 to Present

N: 90 S: -90 E: 180 W: -180

IGS ERP
Global Navigation Satellite System (GNSS) IGS Ultra-Rapid Combined Orbit Solution Product (sub-daily files, generated 4 times/day) from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS, QZSS P, IRNSS P, SBAS P 1992-01-01 to Present

N: 90 S: -90 E: 180 W: -180

extended standard product-3 (SP3c)
Global Navigation Satellite System (GNSS) IGS Ultra-Rapid Combined Orbit Solution Summary Product from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS, QZSS P, IRNSS P, SBAS P 1992-01-01 to Present

N: 90 S: -90 E: 180 W: -180

Text format, UNIX compressed ASCII
Global Navigation Satellite System (GNSS) IGS Ultra-Rapid Orbit Solution Comparison Summary Product from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS, QZSS P, IRNSS P, SBAS P 1992-01-01 to Present

N: 90 S: -90 E: 180 W: -180

Text format, UNIX compressed ASCII
Global Navigation Satellite System (GNSS) IGS Weekly Ionosphere Vertical Total Electron Content (VTEC) Grid Validation Product from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS, QZSS P, IRNSS P, SBAS P 1998-01-01 to Present

N: 90 S: -90 E: 180 W: -180

IONEX (IONosphere map EXchange)
Global Navigation Satellite System (GNSS) International Terrestrial Reference Frame (ITRF) 2020 products (IGS20) from NASA CDDIS 1 GPS 1983-01-01 to 2020-12-31

N: 90 S: -90 E: 180 W: -180

SINEX
GNSS GLONASS Combined Broadcast Ephemeris Data (30-second sampling, daily files) from NASA CDDIS 1 GLONASS, GROUND STATIONS GLONASS P, GNSS 1992-01-01 to Present

N: 90 S: -90 E: 180 W: -180

RINEX
GNSS radio occultation L1B excess phase and amplitude for CHAMP as contributed by EUMETSAT, version 2.0 (gnssro_champ_eumetsat_l1b) 2.0 CHAMP GNSS 2001-05-19 to 2008-10-05

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for CHAMP as contributed by JPL, version 2.0 (gnssro_champ_jpl_l1b) 2.0 CHAMP GNSS 2001-04-06 to 2008-10-05

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for CHAMP as contributed by UCAR, version 2.0 (gnssro_champ_ucar_l1b) 2.0 CHAMP GNSS 2001-05-19 to 2008-10-05

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for CNOFS as contributed by UCAR, version 2.0 (gnssro_cnofs_ucar_l1b) 2.0 C/NOFS GNSS 2010-03-01 to 2011-12-31

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for COSMIC1 as contributed by EUMETSAT, version 2.0 (gnssro_cosmic1_eumetsat_l1b) 2.0 COSMIC/FORMOSAT-3 GNSS 2006-04-22 to 2020-04-25

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for COSMIC1 as contributed by JPL, version 2.0 (gnssro_cosmic1_jpl_l1b) 2.0 COSMIC/FORMOSAT-3 IGOR, TIP, TBB, CER 2006-04-21 to 2019-12-10

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for COSMIC1 as contributed by UCAR, version 2.0 (gnssro_cosmic1_ucar_l1b) 2.0 COSMIC/FORMOSAT-3 IGOR, TIP, TBB, CER 2006-04-30 to 2019-12-10

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for COSMIC2 as contributed by UCAR, version 2.0 (gnssro_cosmic2_ucar_l1b) 2.0 COSMIC-2/FORMOSAT-7 GNSS 2019-10-02 to 2025-07-29

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for GEOOPT as contributed by UCAR, version 2.0 (gnssro_geoopt_ucar_l1b) 2.0 GeoOptics CICERO GNSS 2020-12-01 to 2021-09-16

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for GPSMET as contributed by UCAR, version 2.0 (gnssro_gpsmet_ucar_l1b) 2.0 GPS/MET GNSS 1995-04-22 to 1997-02-16

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for GRACE as contributed by EUMETSAT, version 2.0 (gnssro_grace_eumetsat_l1b) 2.0 GRACE GNSS 2007-02-28 to 2017-11-20

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for GRACE as contributed by JPL, version 2.0 (gnssro_grace_jpl_l1b) 2.0 GRACE GNSS 2006-01-12 to 2017-11-19

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for GRACE as contributed by UCAR, V2.0 (gnssro_grace_ucar_l1b) 2.0 GRACE GNSS 2007-02-28 to 2017-11-30

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for KOMPSAT5 as contributed by UCAR, version 2.0 (gnssro_kompsat5_ucar_l1b) 2.0 KOMPSAT-5 GNSS 2019-07-01 to 2025-05-31

N: 90 S: -90 E: 180 W: -180

GNSS radio occultation L1B excess phase and amplitude for METOP as contributed by EUMETSAT, version 2.0 (gnssro_metop_eumetsat_l1b) 2.0 METOP-A, METOP-B, METOP-C GNSS 2006-10-27 to 2020-06-30

N: 90 S: -90 E: 180 W: -180

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