Rapid Service/Prediction of Earth Orientation Parameters

Raw observations which contribute to IERS Bulletin A:

VLBI data SLR data GPS data AAM data (for UT1 prediction only)

Systematic corrections applied in the combination:

Explanation of the Current Systematic Corrections
Current Systematic Corrections

Additional information:

EOP Comparison Statistics
Rapid Service Plots

Send comments to (last updated 24 June 2016)

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