Reference Frame

FIG Commission 5

Working Group 5.2 - Reference Frame in Practice

Reference Frame

On-line GPS Processing

Here is a list of some of the on-line GPS processing internet web pages available.

Auto Gipsy (JPL)	Service provided by JPL
AUSPOS (Geoscience Australia)	Service provided by Geoscience Australia
OPUS	Service provided by NGS, USA
SCOUT (SOPAC)	Service provided by SOPAC, USA
CSRS-PPP (NRCAN GSD)	Service provided by Natural Resources, Canada
www.gpsnet.fi	Service provided by the National Land Survey of Finland
SWEPOS	Service provided by Lantmäteriet (the National Land Survey of Sweden) (in Swedish)

Permanent GNSS Networks

Global

IGS	World wide GNSS network

Regional

APREF	The Asia-Pacific Reference Frame (APREF) is an initiative to create and maintain an accurate geodetic framework to meet the growing needs of industries, science programs and the general public using positioning applications in the Asia-Pacific region.
EUREF Permanent Network	European GNSS Network
Europe	Leica Networks operators in Europe
South America	SIRGAS

National

Argentina	RAMSAC (Red Argentina de Monitoreo Satelital Continuo)
Australia	The Australian Regional GNSS Network
Australia	AusNet: A national initiative unifying Australian CORS Networks
Australia	South Pacific Regional GPS Network
Australia	The GNSS CORS Cluster for the Northern Territory Australia
Belgium	Belgian RTK-networks
Brazil	RBMC (Red Brasileira de Monitoramento Contínuo)
Bulgaria	Naviteq
Colombia	MAGNA-ECO (Marco Geocéntrico Nacional de Referencia - Estaciones Continuas)
Croatia	CROPOS
Finland	The Finnish permanent GPS network (FinnRef)
Mexico	RGNA (Red Geodésica Nacional Activa)
New Zealand	New Zealand PositioNZ CORS Network
France	Réseau GPS Permanent
Germany	SAPOS
Israel	The Israel APN Network
Lithuania	LitPOS
Norway	SatRef (In Norwegian)
Portugal	SERVIR
Korea, Republic of	The new Korean Geocentric Datum and GPS CORS management
Serbia	AGROS
Singapore	SiReNT
Sweden	SWEPOS Swedish Network of permanent GNSS stations
Switzerland	SWIPOS
United Kingdom	The British Isles continuous GNSS Facility (BIGF)
United Kingdom	OS Net
USA	National Geodetic Survey – CORS
USA	WSRN
Venezuela	REMOS (Red de Estaciones de Monitoreo Satelital GPS)

Global and Regional Reference Frame

ITRF	International Terrestrial Reference Frames homepage

Africa

AFREF is a project for the creation of a unified African Reference Frame. Richard Wonnacott (South Africa) presented during FIG Working Week 2005 in Cairo a paper on the progress of AFREF. This paper was also considered to be the Article of the Month (June, 2005) for FIG. Here is the paper

Asia

United Nations Global Geospatial Information Management Asia Pacific (UNGGIM-AP)
UNGGIM-AP has a working group titled “UN-GGIM-AP WORKING GROUP 1 Geodetic Reference Framework for Sustainable Development”

Australia

Geocentric Datum of Australia

Europe

CRS FOR EUROPE	This is a internet portal maintained by BKG (Germany) describing the coordinate reference systems in Europe as well as the European Vertical Reference System.
EUREF	The IAG Subcommission for Europe is working actively with the European reference systems as well as the national realisations.
European Combined Geodetic Network	ECGN integrates the European reference systems and gravity and can be considered as the European contribution to GGOS
NCG	Netherlands Geodetic Commission
NKG	Nordic Geodetic Commission

North America

NAREF

Regional Reference Frame for North America

Central and South America

SIRGAS is a project for the creation of a unified South American and Central American Reference Frame

If you notice that a link is erroneous, have changed or if you have other good web links that could be included, please notify the chair(s) of the working group.