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Description

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).

Product Summary

Platforms
GLONASS ,
GPS ,
GROUND STATIONS
Instruments
GLONASS ,
GPS ,
GNSS
Projects
IGS
Spatial Extent

N: 90 S: -90 E: 180 W: -180

Location
GLOBAL
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
1992-01-01 to Present
Data Partner
Crustal Dynamics Data Information System, Geodesy and Geophysics Laboratory, Earth Sciences Division, Sciences and Exploration Directorate, Goddard Space Flight Center, NASA (CDDIS)
Concept ID
C1000000021-CDDIS
Data State
ACTIVE
Number of Files/Granules
5931
Processing Level
2
Published
Updated
Science Keywords
Geodetics ,
GNSS (Global Navigation Satellite Systems)

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

International GNSS Service (IGS). (1992). International GNSS Service (IGS) GNSS Final Combined Earth Rotation Parameters product [Data set]. NASA Crustal Dynamics Data Information System. https://doi.org/10.5067/GNSS/GNSS_IGSERP_001 Date Accessed: 2026-11-09

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