Global Navigation Satellite System (GNSS) Earth Rotation Parameters (ERP) products from NASA CDDIS

Earth Rotation Parameters (ERPs) derived from analysis of Global Navigation Satellite System (GNSS) data. These products are the generated by analysis centers in support of the International GNSS Service (IGS) and combined by the IGS analysis coordinator to form the official IGS ERP product (weekly).

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated June 2, 2026, 20:57 (UTC)
Created March 10, 2026, 01:35 (UTC)
accessLevel public
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harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier /SDE/CMR_API/|C1000000021-CDDIS
license https://www.usa.gov/government-works
modified 2026-06-01T22:15:59Z
programCode {026:000}
publisher CDDIS
resource-type Dataset
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source_schema_version 1.1
spatial ["CARTESIAN", [{"EastBoundingCoordinate": 180, "NorthBoundingCoordinate": 90, "SouthBoundingCoordinate": -90, "WestBoundingCoordinate": -180}]]
temporal 1992-01-01/2026-06-01
theme {"Earth Science"}