Federal Geodetic Control Subcommittee
Instrument Work Group Testing



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