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    • Very Long Baseline Interferometry (VLBI) Intensive Earth Orientation Parameter (EOP-I) Series products from NASA CDDIS

    Metadata Updated: February 5, 2026

    These derived data products are intensive (1-hour experiments) Earth orientation parameter (EOPI) solutions obtained with Very Long Baseline Interferometry (VLBI). The CDDIS archive contains EOPI solutions provided by various analysis centers of the International VLBI Service for Geodesy and Astrometry (IVS). The VLBI EOPI series products includes one for each Universal Time (UT1) intensive session with a minimum of one year of data. The operational EOPI product is available at IVS Data Centers 24 hours after the Intensive data become available.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date April 11, 2025
    Metadata Updated Date February 5, 2026

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 11, 2025
    Metadata Updated Date February 5, 2026
    Publisher CDDIS
    Maintainer
    Identifier 10.5067/VLBI/VLBI_intensive_eopi_001
    Data Last Modified 2026-02-03
    Category Earth Science
    Public Access Level public
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id ba70e416-03ad-4334-bc84-1fe3446b77d1
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://www.earthdata.nasa.gov/data/space-geodesy-techniques/vlbi/data-products-holdings
    Old Spatial {"NorthBoundingCoordinate":90,"WestBoundingCoordinate":-180,"EastBoundingCoordinate":180,"SouthBoundingCoordinate":-90},"GEODETIC"
    Program Code 026:000
    Source Datajson Identifier True
    Source Hash 80816a2c79e3575f230c22fd36b596e69f3d0772445805e2967a3850a9f67e56
    Source Schema Version 1.1
    Spatial
    Temporal 2005-01-01/2005-01-01

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