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A New Map Projection for New Zealand?

Active GPS Control Networks in New Zealand Civil GPS Service Interface Committee Melbourne, Victoria 10-11 February 2003 Graeme Blick Office of the Surveyor-General Land Information New Zealand February 2003. A New Map Projection for New Zealand?. Networks and function.

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A New Map Projection for New Zealand?

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  1. Active GPS Control Networks in New Zealand Civil GPS Service Interface Committee Melbourne, Victoria 10-11 February 2003 Graeme Blick Office of the Surveyor-General Land Information New Zealand February 2003 A New Map Projection for New Zealand?

  2. Networks and function Land Information New Zealand National GPS Zero Order Network • 30+ stations • national control network • monitor NZGD2000 • provides 30 second RINEX files • future development?

  3. Networks and function Existing PositioNZ Stations (12) plus Cape Roberts Antarctica Planned by July 2003 (7) Planned by July 2005 (10) plus 1 in Antarctica 30 sec RINEX files available through the Internet

  4. Networks and function Deformation Monitoring Networks • coordinated by GNS • includes Otago University (Dunedin) and MIT

  5. Networks and function Existing PositioNZ Stations - study of regional deformation partnership with LINZ Tide gauge monitoring - 4 Specific monitoring networks

  6. Networks and function Dense Regional Networks for Monitoring Crustal Deformation • 3rd party funded (EQC) • developed by GNS • 60+ stations

  7. Networks and function Monitor deformation along the North Island subduction zone

  8. Networks and function Privately Operated Networks • provide a varity of data formats (RINEX, RTCM) • use data from some national stations • commercial profit • future partnerships

  9. Networks and function Example of a Privately Developed Network 8 stations - some in partnership

  10. Conclusions • A number of GPS active control networks are being established • Encouraging establishment of partnerships between governement, science and private sectors • Provide positions in terms of one unified system - NZGD2000

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