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CONTEMPORARY NATIONAL SPATIAL REFERENCE SYSTEMS

CONTEMPORARY NATIONAL SPATIAL REFERENCE SYSTEMS. Land Surveyors Association of Jamaica Kingston May 31, 2007 ftp://ftp.ngs.noaa.gov/dist/DaveD/LSAJ. Dave Doyle NGS Chief Geodetic Surveyor dave.doyle@noaa.gov , 301-713-3178. GEODETIC SURVEYING IN THE U.S. FEDERAL GOVERNMENT.

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CONTEMPORARY NATIONAL SPATIAL REFERENCE SYSTEMS

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  1. CONTEMPORARY NATIONALSPATIAL REFERENCE SYSTEMS Land Surveyors Association of Jamaica Kingston May 31, 2007 ftp://ftp.ngs.noaa.gov/dist/DaveD/LSAJ Dave Doyle NGS Chief Geodetic Surveyor dave.doyle@noaa.gov, 301-713-3178

  2. GEODETIC SURVEYING IN THE U.S. FEDERAL GOVERNMENT Independent Regulatory Commissions Executive Agencies

  3. Primary Federal Geodetic Agencies

  4. Primary Federal Charting & Mapping Agencies NAUTICAL CHARTING AERONAUTICAL CHARTING TOPOGRAPHIC MAPPING

  5. Primary Federal Cadastral and Engineering Survey Agencies

  6. National Geodetic Survey Director Deputy Director Chief Geodesist Geodetic Services Division Observation and Analysis Division Systems Development Division Remote Sensing Division Geosciences Research Division Spatial Reference System Division

  7. 1807President Thomas Jefferson signs legislationestablishing the Survey of the Coast

  8. To Promote Safe Navigationfor American Commerce and ...

  9. Ferdinand Hassler (1770-1843)

  10. Ferdinand Hassler directing the movement of the great theodolite to the station Working on Fire Island, about 1837

  11. Our Positioning History What’s In a Name? 1807 - Survey of the Coast 1836 - Coast Survey 1878 - US Coast and Geodetic Survey 1970 - National Ocean Service 1970 - National Geodetic Survey (NOS geodetic functions)

  12. Astronomic ObservationsPolar Motion GaithersburgObservatory1899-1982

  13. Station Caribou before Elevation 9816 feet1922

  14. Station Caribou after being struck by lightning 1922

  15. Wooden tower within a tower Outer tower supports personnel ‑ inner tower supports instrument

  16. Jasper Bilby

  17. Bilby Towerused from 1926-1984

  18. Bilby Tower Construction

  19. 1984An End of an Era

  20. Yolo buggy used to transport and shade base line measuring instrumentsSacramento Valley, California1881

  21. The Third DimensionLeveling

  22. Classical Line-of-sight Spirit Leveling1900

  23. Differential Levelingusing Laser Level Zeiss DINI 112000

  24. Horseback1911

  25. On Foot1922

  26. Dogsled1920

  27. Transition Phase1911

  28. USC&GS Truck1913

  29. Sport Utility Vehiclecirca 1920

  30. Helicopter - Alaska1954

  31. GPS on an ATVCalifornia2000

  32. Sputnik1957

  33. Global Satellite Triangulation Network

  34. Ballistic Camera - BC-4

  35. Echo Balloon Satellite 1960type of satellite photographed by BC-4

  36. BC-4 camera photographs Echo satellite against the star background.

  37. Pago Pago Antarctica BC-4 Crews got to go to some neat places Ethiopia Chad Yukon Easter Island Pitcairn Island

  38. Very Long Baseline Interferometer

  39. US Navy Transit Satellite1964

  40. Navstar Global Positioning System (GPS) Satellite

  41. Positioning the Washington Monument

  42. GLOBAL NAVIGATION SATELLITE SYSTEMS(GNSS) • POTENTIAL FUTURE DEVELOPMENTS • (2006 – 2017??) • GPS MODERNIZATION – BLOCK IIR-M & III • GLONASS ENHANCEMENTS • EUROPEAN UNION - GALILEO • 70- 90 Satellites • Second and Third Civil Frequency - GPS • No Signal Encryption - GLONASS & GALILEO • More Robust Signal Transmissions • Real-Time Unaugmented 1 Meter (or better!) Accuracy

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