International VLBI Service for Geodesy and Astrometry of NASA

IVS is an international collaboration of organizations which operate or support Very Long Baseline Interferometry (VLB I) components. The service aspect of IVS is meant to serve both outside users and the geodetic and astrometric community itself. Both the contributors and users of data will be served.

IVS是由多个组织组成的国际协作机构，这些组织运营或支持超长基线干涉仪（VLBI）的组成部分。IVS的服务宗旨旨在服务于外部用户以及大地测量学和天体测量学界的同仁。对于数据的贡献者和使用者，IVS都将提供相应的服务。