Welcome to the California Spatial Reference Center (CSRC) website. CSRC is located at the Cecil H. and Ida M. Green Institute of Geophysics and Planetary Physics (IGPP) at UCSD's Scripps Institution of Oceanography (SIO).

In partnership with the National Geodetic Survey (NGS), the California Department of Transportation (Caltrans), and other participants, CSRC has developed a plan to establish and maintain a state-of-the-art network of GPS control stations necessary for a reliable spatial reference system in California.(more)

  2009 CSRC annual report card

  California Real Time Network (CRTN): business plan; proposal version 5.0 (older versions: 4.0 | 3.3)

  6/15/2009 NOAA CORS and GRAV D Congressional Briefing summary and presentations: NOAA Geodetics Services, CORS Benefits, GRAV-D Hearing

  CSRS Epoch 2009.00 and updated Epoch 2007.00 spreadsheets now available

  CENCHM2007 final survey report and appendices