The goals of IVS are:

  • To provide a service to support geodetic, geophysical and astrometric research and operational activities.
  • To interact with the community of users of VLBI products and to integrate VLBI into a global Earth observing system.
  • To promote research and development activities in all aspects of the geodetic and astrometric VLBI technique.

Acknowledge IVS:

Whenever your use of IVS data or products results in a publication, please include a citation.


IVS is a service of

  International Association of Geodesy
  International Astronomical Union
  ICSU World Data System

News and Current Events

IVS Directing Board Elections (October 22)
The IVS Election Committee solicits nominations for five representative positions and three at-large positions on the IVS Directing Board. Nominations for the representative positions are due by 16 December 2026. The deadline for at-large nominations is 10 February 2027.

IVS Correlation Coordinator (October 21)
The IVS Directing Board is soliciting proposals for the position of IVS Correlation Coordinator. The application form for this position is available here. The deadline for submitting proposals is December 15, 2026.

August Newsletter (August 24)
The August issue of the IVS Newsletter was posted on the website. This issue features the Japanese Analysis Center at GSI.

April Newsletter (April 9)
The April issue of the IVS Newsletter was posted on the website. This issue features the outgoing IVS Technology Coordinator Gino Tuccari.

2023+2024 Biennial Report (March 27)
The 2023+2024 Biennial Report was posted. BR2023+2024 covers the calendar years from January 1, 2023 through December 31, 2024. The Biennial Report is published online only.


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