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.

  $22NOV09XE    4   ! IVS-R4107  R41076  HtIsKkMaNsWnWwWz
  $22NOV03XE    4   ! IVS-R4107  R41075  HtIsKkMaNsWnWwWz
  $22NOV17XE    4   ! IVS-R4107  R41077  BdHtIsKkMcNsWnWwWzYs
  $22DEC01XU    4   ! IN122-335  I22335  KkWz
  $22DEC03XK    4   ! IN222-337  Q22337  IsMkWz
  $22DEC05XK    4   ! IN322-339  Q22339  IsNsWnWz