Geodetic System

• Search for geodetic marks

  Find mark names, location and order of coordinates using a map or text version, or download in KML format.

  

  Search for geodetic marks

  • Access mark data via a KML file
  • Download geodetic mark data
  • Geodetic mark dataset index of tables
  • Simplified data model of the geodetic mark dataset tables
  • Geodetic mark data using incremental updates
  • Geodetic mark data file formats
  • more...

• PositioNZ network

  Download Global Navigation Satellite System (GNSS) data from LINZ's active control network.

  

  PositioNZ network

  • About PositioNZ
  • PositioNZ GPS data service
  • more...

• Datums, projections & heights

  Current and historical geodetic datums, vertical datums, projections, and height orders.

  

  Datums, projections & heights

  • New Zealand Map Grid
  • New Zealand Geodetic Datum 2000
  • New Zealand Transverse Mercator 2000
  • New Zealand Geodetic Datum 1949
  • Mean Sea Level Datums (Normal-Orthometric Heights)
  • NZGD2000 frequently asked questions
  • New Zealand Quasigeoid 2005
  • Tidal level information for surveyors
  • more...

• Coordinate conversion

  Online conversion services and transformations for datum, height and projection systems.

  

  Coordinate conversion

  • Online conversions
  • Geodetic datum conversions
  • NZGD1949 - NZGD2000
  • Height conversions
  • NZGD1949 - NZGD2000 distortion grid
  • Projection conversions
  • Datum transformation equations
  • Lambert Conformal Conic to geographic transformation formulae
  • more...

• Geodetic network development, maintenance & protection

  Upgrade, extend, maintain and protect the geodetic control network.

  

  Geodetic network development, maintenance & protection

  • 2007/2008 annual programme
  • Report damage or disturbances to survey marks
  • Geodetic service contracts
  • more...

• Standards, notices & publications

  Specifications, technical reports, fact sheets and geodetic notices.

  

  Standards, notices & publications

  • Standards & guidelines
  • Technical reports
  • General publications
  • Published papers & presentations
  • Geodetic system notices
  • more...

• Download geodetic software

  Specialist geodetic software, source code and geoid data.

  

  Download geodetic software

  • GD2000it
  • SNAP & CONCORD downloads
  • more...