Skip to main content
U.S. flag

An official website of the United States government

Very Long Baseline Interferometry (VLBI) Earth Orientation Parameters (EOP) Products from NASA CDDIS

Published by CDDIS | National Aeronautics and Space Administration | Catalog Last Checked: June 25, 2026 at 01:51 PM | Dataset Last Updated: June 23, 2026
These derived data products are intensive (1-hour experiments) and series Earth orientation parameter (EOPI and EOPS, respectively) 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 EOP products include one for each Universal Time (UT1) intensive session with a minimum of one year of data. The operational EOP products are available at IVS Data Centers 24 hours after the Intensive data become available.

Resources

3 resources available

Find Related Datasets

Search by Tags

Click any tag below to search for similar datasets

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov