The Toitū Te Whenua PositioNZ network consists of 39 continuously operating reference stations (CORS) located throughout New Zealand (including the Chatham Islands) and Antarctica.

The network collects Global Navigation Satellite System (GNSS) data for the purposes of monitoring the New Zealand Geodetic Datum 2000 (NZGD2000), updating the national deformation model, and maintaining New Zealand’s relationship to the International Terrestrial Reference Frame (ITRF). Toitū Te Whenua also provides data to the International GNSS Service (IGS) from six of our stations which contribute to more accurate estimates of GNSS satellite orbits and positions.

The PositioNZ Network is run in partnership with GNS Science through the GeoNet Project. The stations are also part of the GeoNet network used to monitor natural hazards in New Zealand. 

The PositioNZ network enables users to position points with an accuracy that approaches a few centimetres relative to NZGD2000 both horizontally and vertically. The network collects data from the United States Global Positioning System (GPS) and the Russian GLONASS satellite constellations.

Toitū Te Whenua provides static GNSS data in the form of RINEX through the PositioNZ RINEX Archive, real time RTCM streams through PositioNZ-RT and a post processing service called PositioNZ-PP. These products and services are used by surveyors, engineers, geospatial professionals, scientists and commercial providers. All data is freely available for reuse under LINZ copyright.

Map of the PositioNZ network across New Zealand

(Yellow triangles) PositioNZ network in New Zealand and the Chatham Islands, (Blue triangles) PositioNZ International GNSS Service (IGS) stations

GNSS data from PositioNZ RINEX archive

Data is available within a few hours from collection.

PositioNZ Real Time Service (PositioNZ-RT) 

Connect to the PositioNZ real time streams to get positions in real time.

PositioNZ Post Processing Service (PositioNZ-PP)

The GNSS post processing service is a free automated service for processing GNSS data to obtain co-ordinates in terms of NZGD2000 and ITRF2008.


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