International VLBI Service for Geodesy and Astrometry (IVS)
The International VLBI Service for Geodesy and Astrometry (IVS) is an international collaboration of organizations which operate or support Very Long Baseline Interferometry (VLBI) components. IVS provides a service which supports geodetic and astrometric work on reference systems, earth science research, and operational activities.
Web site:
IVS representatives to the IERS Directing Board:
Chopo Ma 
Axel Nothnagel
Axel Nothnagel
IERS representative to the IVS Directing Board:
Chopo Ma
Contacts:
International VLBI Service for Geodesy and Astrometry (IVS)
IVS Coordinating Center
NASA Goddard Space Flight Center (GSFC)
Space Geodesy Laboratory, Code 697
Greenbelt MD 20771
USA
phone: ++1-301-614-5939
fax: ++1-301-614-6099
e-mail:
IVS Coordinating Center
NASA Goddard Space Flight Center (GSFC)
Space Geodesy Laboratory, Code 697
Greenbelt MD 20771
USA
phone: ++1-301-614-5939
fax: ++1-301-614-6099
e-mail:
see also for more information:
Annual Report 2001 (to the IERS)
Annual Report 2002 (to the IERS)
Annual Report 2003 (to the IERS)
Annual Report 2004 (to the IERS)
Annual Report 2005 (to the IERS)
Annual Report 2006 (to the IERS)
Annual Report 2002 (to the IERS)
Annual Report 2003 (to the IERS)
Annual Report 2004 (to the IERS)
Annual Report 2005 (to the IERS)
Annual Report 2006 (to the IERS)
