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 2024 Elections (September 13)
The IVS Election Committee solicits nominations for two representative positions and three at-large positions on the IVS Directing Board. Nominations for the representative positions are due by 10 November 2024. The deadline for at-large nominations is 07 December 2024.

August Newsletter (August 15)
The August issue of the IVS Newsletter was posted on the website. This issue features the AuScope VLBI station at Katherine.

April Newsletter (April 22)
The April issue of the IVS Newsletter was posted on the website. This issue features the outgoing IVS Analysis Coordinator John Gipson and 25 years of IVS.

December Newsletter (December 5)
The December issue of the IVS Newsletter was posted on the website. This issue features Effelsberg Radio Observatory.

2021+2022 Biennial Report (November 6)
The IVS 2021+2022 Biennial Report was posted on the website today.


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