National Height Modernization Eastern Regional Meeting March 4, 2014 Continuously Operating Reference Stations (CORS) Neil D. Weston National Geodetic.

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Presentation transcript:

National Height Modernization Eastern Regional Meeting March 4, 2014 Continuously Operating Reference Stations (CORS) Neil D. Weston National Geodetic Survey, NOS, NOAA

National Height Modernization Eastern Regional Meeting March 4, 2014 Outline Introduction Continuously Operating Reference Stations Network Applications Products Selection Criteria Business Model

National Height Modernization Eastern Regional Meeting March 4, 2014 Introduction - CORS CORS – Nationwide network of GPS/GNSS receivers – stations Multi-purpose, cooperative endeavor – Federal – NOAA, Federal Aviation Administration – State – Departments of Transportation – Academic – Universities – Others – Private – 226 partners $1.2 Billion in economic benefits for USA -2012

National Height Modernization Eastern Regional Meeting March 4, 2014 CORS Network

National Height Modernization Eastern Regional Meeting March 4, 2014 Stations on Four Continents

National Height Modernization Eastern Regional Meeting March 4, 2014 CORS Applications Geodesy / Surveying / Hydrography Meteorology / Space Weather Geophysical applications / Monitoring Geographic Information Systems (GIS/LIS) Mining / Forestry Interference Detection

National Height Modernization Eastern Regional Meeting March 4, 2014 CORS Products and Activities GNSS (GPS + GLONASS) – Data Reference Frames and Coordinates Station Metadata Online Positioning User Service (OPUS) Antenna Calibration Geoid Modeling Remote Sensing / Photogrammetry Surveying Orbit Production

National Height Modernization Eastern Regional Meeting March 4, 2014 Antenna Calibrations Absolute Antenna Calibrations – For use with IGS08, epoch – For use with NAD 83 (2011, MA11, PA11) epoch Relative Antenna Calibrations – For use with ITRF00, epoch – For use with NAD 83 (CORS96, PACP00, MARP00) epoch

National Height Modernization Eastern Regional Meeting March 4, 2014 GPS Orbits Ultra-rapid (iguWWWWD.sp3) – 6 hour latency, 24 hour file, sp3 format Rapid (igrWWWWD.sp3) – 13 hour latency, 24 hour file, sp3 format Final (igsWWWWD.sp3) – 12 to 14 day latency, 24 hour file, sp3 format

National Height Modernization Eastern Regional Meeting March 4, 2014 CORS Selection Criteria 70 Km Spacing – Meet and support NOAA mission – Higher density sites – excessive redundancy – NOAA and other federal agency needs – Data quality of nearby CORS – Equipment – receivers and antennas – Collection rate – GNSS / GPS – observations available

National Height Modernization Eastern Regional Meeting March 4, 2014 Business Model Executive and Agency Summary Continuously Operating Reference Stations (CORS) CORS Products and Services Market Analysis Operational Components Management and Organization Costs and Associated CORS Activities Geodetic Resources External Dependencies

National Height Modernization Eastern Regional Meeting March 4, 2014 CORS Statistics Data Type CORS FTP44,774,66641,276,983 UFCORS1,212,6041,263,519 OPUS286,599232,591 OPUS-RS136,450129,218

National Height Modernization Eastern Regional Meeting March 4, 2014 OPUS-RS Accuracy

National Height Modernization Eastern Regional Meeting March 4, 2014 OPUS-RS Accuracy

National Height Modernization Eastern Regional Meeting March 4, 2014 OPUS-RS Accuracy

National Height Modernization Eastern Regional Meeting March 4, 2014 OPUS-RS Accuracy

National Height Modernization Eastern Regional Meeting March 4, 2014 Thank You Dr. Neil D. Weston