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

Call for 2023+2024 Biennial Report (January 28)
The IVS Directing Board invites all IVS components to submit reports for the IVS 2023+2024 Biennial Report. The 2023+2024 Biennial Report will cover the calendar year from January 1, 2023 through December 31, 2024. Reports are due by February 28, 2025.

IVS 2024 Elections (December 19)
The newly elected members at large for the period February 2025 to February 2027 are: Masafumi Ishigaki (GSI, Japan), Hana Krásná (TU Wien, Austria), and Fengchun Shu (SHAO, China).

December Newsletter (December 11)
The December issue of the IVS Newsletter was posted on the website. This issue features the new IVS Analysis Coordinator Benedikt Soja.

IVS 2024 Elections (November 29)
The IVS Election Committee is pleased to inform you of the results of the elections for the representative positions on the IVS Directing Board. The newly elected representatives for the period February 2025 to February 2029 are: Susana García Espada (Networks) and Matthias Schartner (Analysis).


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