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Federal
CDDIS GNSS ITRF2020 IGS products (IGS20)
National Aeronautics and Space Administration —
These data-derived products are the International GNSS Service (IGS) Analysis Centers' (AC) contribution to the International Terrestrial Reference Frame (ITRF) 2020. -
Federal
Global Navigation Satellite System (GNSS) Final Orbit Product from NASA CDDIS
National Aeronautics and Space Administration —
Precise satellite orbits derived from analysis of Global Navigation Satellite System (GNSS) data. Analysis Centers (ACs) of the International GNSS Service (IGS)... -
Federal
Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Observation Summary Data (30-second sampling, daily files of all distinct navigation... -
Federal
CDDIS_DORIS_data_cycle
National Aeronautics and Space Administration —
The Doppler Orbitography by Radiopositioning Integrated on Satellite (DORIS) was developed by the Centre National d'Etudes Spatiales (CNES) with cooperation from... -
Federal
CDDIS_DORIS_products_ionosphere
National Aeronautics and Space Administration —
Ionosphere correction values derived from analysis of Doppler Orbitography by Radiopositioning Integrated on Satellite (DORIS) data. These products are the generated... -
Federal
Global Navigation Satellite System (GNSS) Final Combined Station Positions/Velocities Product from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System Final Combined Station Positions/Velocities Product available from the Crustal Dynamics Data... -
Federal
Lunar Orbiter Laser Altimeter (LOLA) one-way Laser Ranging Full Rate Data (all ranges collected, ground stations, aggregate of normal points daily) from NASA CDDIS
National Aeronautics and Space Administration —
Lunar Orbiter Laser Altimeter (LOLA) one-way laser ranging full rate data. These files contain the full rate data (all ranges collected) as delivered from the ground... -
Federal
CDDIS_LLR_data
National Aeronautics and Space Administration —
Lunar Laser Ranging (LLR) measures the distance between the Earth and the Moon using laser ranging. A short pulse of coherent light generated by a laser (Light... -
Federal
CDDIS_DORIS_products_positions
National Aeronautics and Space Administration —
Station position and velocity solutions (weekly and cumulative) in Software INdependent EXchange (SINEX) format derived from analysis of Doppler Orbitography by... -
Federal
CDDIS_DORIS_products_orbit
National Aeronautics and Space Administration —
Precise satellite orbits derived from analysis of Doppler Orbitography by Radiopositioning Integrated on Satellite (DORIS) data. These products are the generated by... -
Federal
CDDIS_GNSS_products_orbit_ultrarapid
National Aeronautics and Space Administration —
Precise satellite orbits derived from analysis of Global Navigation Satellite System (GNSS) data. Analysis Centers (ACs) of the International GNSS Service (IGS)... -
Federal
CDDIS SESES MEaSUREs products total water storage grids
National Aeronautics and Space Administration —
Making Earth System Data Records for Use in Research Environments (MEaSUREs) empowers the research community to participate in developing and generating data products... -
Federal
CDDIS SESES MEaSUREs products precipitable water vapor
National Aeronautics and Space Administration —
Making Earth System Data Records for Use in Research Environments (MEaSUREs) empowers the research community to participate in developing and generating data products... -
Federal
CDDIS_GNSS_products_clocks_final
National Aeronautics and Space Administration —
Satellite and receiver clock products derived from analysis of Global Navigation Satellite System (GNSS) data. These products are the generated by analysis centers in... -
Federal
CDDIS_VLBI_products_positions
National Aeronautics and Space Administration —
Station positions and velocity solutions in Software INdependent EXchange (SINEX) format derived from analysis of Very Long Baseline Interferometry (VLBI) data. These... -
Federal
CDDIS_GNSS_products_erp
National Aeronautics and Space Administration —
Earth Rotation Parameters (ERPs) derived from analysis of Global Navigation Satellite System (GNSS) data. These products are the generated by analysis centers in... -
Federal
CDDIS_SLR_products_poseop
National Aeronautics and Space Administration —
Station position and Earth Orientation Parameters (EOPs) solutions derived from analysis of Satellite Laser Ranging (SLR) data. These products are the generated by... -
Federal
CDDIS_VLBI_products_troposphere
National Aeronautics and Space Administration —
Troposphere Zenith Path Delay (ZPD) values derived from analysis of Very Long Baseline Interferometry (VLBI) data. These products are the generated by analysis... -
Federal
CDDIS_DORIS_products_stcd
National Aeronautics and Space Administration —
Station position time series solutions in DORIS Station Coordinate Difference (STCD) format derived from analysis of Doppler Orbitography by Radiopositioning... -
Federal
CDDIS_VLBI_data
National Aeronautics and Space Administration —
Very Long Baseline Interferometry (VLBI) is a geometric technique: it measures the time difference between the arrival at two Earth-based antennas of a radio...