National Aeronautics and Space Administration

Baseline Reports

Requirements for Core geodetic sites were developed by NASA and GGOS. The latest GGOS Requirements for Core Sites can be found here. The following documents describe the evaluation of several current and former NASA VLBI and SLR sites for their potential to become Core sites.

• Goddard Geophysical & Astronomical Observatory (GGAO), Greenbelt MD Site Baseline Report
• Fort Davis, TX Site Baseline Report
• Gilmore Creek, AK Site Baseline Report
• Haleakala, HI Site Baseline Report
• Monument Peak, CA Site Baseline Report
• Kokee Park Geophysical Observatory (KPGO), HI Site Baseline Report

Local Tie Surveys

• NGS Survey Reports for IERS Site Survey Program
• Haleakala, Maui, Hawaii
• Hartebeesthoek, South Africa
  • 2014 Hartebeesthoek co-location survey reprocessing report
  • Reprocessing of the Hartebeesthoek 2014 co-location survey