Paris Observatory Geodetic VLBI Center

This center is a component of the International VLBI Service for Geodesy and Astrometry (IVS).

Analysis Service

• Solution opa2021a for Earth orientation, TRF, and CRF, and normal equation systems in SINEX format (data center),
• Intensive solution opa2021i for UT1,
• Baseline coordinate time series,
• Station coordinate time series,
• Radio source coordinate time series,
• Look at the free core nutation from IERS data,
• General statistics on the observations,
• Timeliness of SINEX submissions (at BKG).

Data Center

The data center is one of the three IVS primary data centers (with NASA/CDDIS and BKG). You can

• Download VLBI data and products via FTP at ivsopar.obspm.fr, and
• Submit VLBI data and products: please contact us to obtain the procedure.

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