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

April Newsletter (April 12)
The April issue of the IVS Newsletter was posted on the website. This issue features Santa Maria station on the Azores.

2022 General Meeting Proceedings (January 12)
The Proceedings from the 2022 General Meeting held in Helsinki, Finland, are now available online. The Proceedings are published online only.

Call for 2021+2022 Biennial Report (December 23)
The IVS Directing Board invites all IVS components to submit reports for the IVS 2021+2022 Biennial Report. The 2021+2022 Biennial Report will cover the calendar years 2021 and 2022 from January 1, 2021 through December 31, 2022. Reports are due by January 31, 2023.

Board Election results: Members At Large (December 22)
The newly elected members at large for the period February 2023 to February 2025 are: Hayo Hase (AGGO, Argentina), Masafumi Ishigaki (GSI, Japan), and Fengchun Shu (SHAO, China).