Test Procedures


Test Instructions

  • For GPS Tests:  Deliverables List and recommended Observation Schedule
  • For non-GPS Tests: Guidelines and Criteria for Instrument Tests and Reports
  • Testing Policy (in the Work Group Charter)


  • FGCS Test Network

  • Station List with Descriptions and Photos
  • Map - Medium and Long Baseline stations in the vicinity of Washington, D.C.
  • Map - Short and Medium Baseline stations at NIST in Gaithersburg, Maryland


  • Other Test Networks

    EDMI Calibration Baselines from National Geodetic Survey
    GPS Antenna Calibration from National Geodetic Survey
    GPS Antenna Testing from US Geological Survey Pasedena
    Resource-Grade GPS Tests from US Forest Service
    GPS User Equipment Testing from GPS Joint Program Office
    GPS Equipment Testing from UNAVCO
    GPS Receiver Study from Ohio State U.
    Geodetic GPS Basenets from Geomatics Canada
    GPS Calibration Networkfrom Australia Geodetic Survey



    Reported Test Networks (verification pending):

  • Gravity Calibration Baselines
  • USGS, Denver Test Network
  • NASA or GSFC, GPS anechoic chamber Antenna Calibration
  • IGS, GPS Antenna Testing
  • GPS Simulators


  • For more information, contact the Chair, Instrument Work Group