Data Catalog

• Federal

  Satellite Laser Ranging (SLR) Data Handling File for the International Laser Ranging Service (ILRS) extension of the International Terrestrial Reference Frame 2020 (ITRF2020) TRF Model with additional SLR sites

  National Aeronautics and Space Administration —

  Corrections to SLR tracking data collected from various tables on CDDIS, resolutions from the ILRS/ASC (AWG) meetings, the T2L2 @ Jason-2 project (July 2008 to...

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• Federal

  Global Very Long Baseline Interferometry (VLBI) Terrestrial Reference Frame (TRF) solution products from NASA CDDIS

  National Aeronautics and Space Administration —

  The Terrestrial Reference Frame product consists of a set of station positions, velocities, and correlations. A minimum of three years of data is used in each...

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• Federal

  Ground-Based Global Navigation Satellite System (GNSS) GLObal NAvigation Satellite System (GLONASS) Hatanaka-Compressed Observation Data (30-second sampling, daily files) from NASA CDDIS

  National Aeronautics and Space Administration —

  GNSS receivers collect the signals from orbiting satellites to determine their location in three dimensions and calculate precise time. GNSS receivers detect, decode,...

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