Institutions, organizations:

• Space Geodesy Project (SGP)
• International Laser Ranging Service (ILRS)
• NASA Goddard Space Flight Center (GSFC)
• NASA LAser GEOdynamics Satellites 1&2

Related websites:

• International Association of Geodesy (IAG) Services
• Missions supported by the ILRS
• Stations in the ILRS network
• Current laser ranging tracking plot