GNSS

Which GNSS stations?

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Below is a list of the GNSS data providers ordered by country. For each provider, it gives the acronym of the associated GNSS stations. Note that the work is under progress to have a complete list. However, do not hesitate to contact us to keep it updated.
E-mail: sonel@sonel.org

COUNTRY (60)     PROVIDER (216) ACRONYM GNSS stations (1226)    
Institut National de l'Information Géographique et Forestière IGN  (32)
Geospatial Information Authority of Japan GSI  (47)
GNS Science GNS  (21)
Service Hydrographique et Océanographique de la Marine SHOM  (6)
National Oceanic and Atmospheric Administration NOAA  (9)
Institut Polaire Français Paul Emile Victor IPEV  (4)
Geoscience Australia GA  (79)
UNAVCO UNAVCO  (89)
Istituto Nazionale di Geofisica e Volcanologia INGV  (14)
Instituto Geografica Nacional de la Republica Argentina IGNRA  (5)
Korea Astronomy and Space Science Institute KASI  (3)
Bundesanstalt für Gewässerkunde BAFG  (42)
Institut de Physique du Globe de Paris IPGP  (6)
Instituto Brasileiro de Geografia e Estatística IBGE  (21)
Centro GNSS de Canarias CGC  (7)
Agenzia Spaziale Italiana ASI  (9)
Centre d'Etudes Techniques Maritimes et Fluviales CETMEF  (7)
National Oceanography Centre NOC  (9)
Instituto de Estadística y Cartografía de Andalucía IECA  (6)
National Geo-Spatial Information NGI  (10)
Réseau National GPS permanent RENAG  (10)
Norwegian Mapping Authority - Kartverket NMA  (21)
DTU Space National Space Institute DTU-Space  (12)
Centre National de la Recherche Scientifique CNRS  (18)
ASG-EUPOS ASG-EUPOS  (5)
U.S. Coast guard USCG  (39)
Jet Propulsion Laboratory JPL  (50)
Bundesamt für Kartographie und Geodäsie BKG  (21)
Ordnance Survey Ireland OSI  (6)
Department of Survey and Mapping Malaysia JUPEM  (6)
North Carolina Geodetic Survey NCGS  (7)
Connecticut Department of Transportation CT-CONDOT  (1)
SmartNet North America SMRTNT  (11)
Alabama Department of Transportation - Alabama Great Seal ALDOT  (2)
Texas Department of Transportation TxDOT  (4)
NYS Spacial Reference Network NYSDOT  (1)
Deutsches Geodätisches Forschungsinstitut DGFI  (2)
Gipuzkoako Foru Aldundia GFA  (1)
Indian Space Research Organisation - Telemetry Tracking and Command Network ISTRAC-ISRO  (3)
Instituto Geografico Agustin Codazzi IGAC  (3)
SATINFO Réseau GNSS SAT-INFO  (8)
TERIA TERIA  (20)
Massachusetts Department of Transportation MassDOT  (3)
Maine Department of Transportation MaineDOT  (1)
Virginia Department of Transportation VDOT  (1)
State of Alaska, Department of Transportation Central Region Survey Section AK-DOT  (2)
Geological Survey of Canada GSC  (14)
Japan Aerospace Exploration Agency JAXA  (1)
Instituto Geografico Nacional Tommy Guardia IGNTG  (2)
Ordnance Survey Geodesy and Positioning OS  (36)
Kadaster NSGI  (11)
Diputacion Foral de Vizcaya DFV  (2)
Real Instituto y Observatorio de la Armada RIOA  (3)
Servicio de Informacion Territorial de las Islas Baleares SITIB  (2)
GRAFCAN GRAFCAN  (1)
Observatoire de Recherche Méditerranéen de l'Environnement OREME  (2)
EarthScope Consortium EC  (4)
Institute of Astronomy University of Latvia LUAI  (1)
INSTITUTO GEOGRAFICO MILITAR Uruguay IGM-Ur  (3)
Queensland Department of Environment and Science DESI-QLD  (11)
NSW Spatial Services NSW-SS  (10)
German Aerospace Center DLR  (1)
Maritieme Dienstverlening en Kust MDK  (1)
Marine Institute MI  (2)
Agency for Data Supply and Infrastructure SDFI  (20)
Instituto Geofisico de Escuela Politécnica Nacional IGEPN  (4)
The Canadian High Arctic Ionospheric Network CHAIN  (1)
Laboratoire de l'Atmosphère et des Cyclones LACY  (1)
Digitaal Vlaanderen DV  (6)
British Columbia Active Control System BCACS  (3)
National Observatory of Athens NOA  (6)
South Carolina Geodetic Survey SCGS  (3)
National Park Service NPS  (3)
Institut Cartogràfic Valencià ICV  (1)
Puerto Rico Seismic Network PRSN-UPRM  (1)
Lamont-Doherty Earth Observatory LDEO  (1)
ARG Estacion Astronomica Rio Grande EARG  (3)
AUS Department of Environment & Primary Industries DEPI  (3)
AUS LANDGATE LANDGATE  (5)
AUS Department Infrastructure, Planning & Logistics DIPL  (2)
AUS IPS Radio and Space Services - Australia Bureau of Meteorology IPS  (1)
AUS Australian Surveying & Land Information Group AUSLIG  (1)
AUS Curtin University Curtin University  (1)
BEL Nationaal Geografisch Instituut NGI  (1)
BEN Institut Geographique National du Benin IGN-BJ  (1)
BOL INSTITUTO GEOGRAFICO MILITAR DE BOLIVIA IGM-Bo  (1)
BRA Instituto Nacional de Pesquisas Espaciais INPE  (1)
BRB Coastal Zone Management Unit CZMU  (2)
CAN National Resources Canada NRCan  (30)
CAN SERVICE NOVA SCOTIA SNS  (4)
CAN Dept. Internal Services ISD  (1)
CHE Swiss Federal Office of Topography SWISSTOPO  (1)
CHL Departamento de Geofísica, Centro Sismologico Nacional, Univ. de Chile DGF - CSN  (1)
CHL Center for Space Studies CEC  (2)
CHL Universidad de Concepcion UdeC  (1)
CHL Universidad de Antofagasta UANTOF  (1)
CHL Universidad de Santiago de Chile USACH  (1)
COL Servicio Geologico Colombiano SGC  (1)
CPV Instituto Nacional de Meteorologia e Geofisica INMG  (1)
CRI Registro Nacional Republica Costa Rica RNP  (3)
CYM Cayman Land Info CAYMAN  (1)
DEU Deutsches GeoForschungsZentrum GFZ  (21)
DNK Danish Geodata Agency GST  (1)
DOM Universidad Nacional Pedro Henriquez Ureña UNPHU  (3)
ECU Instituto Geografico Militar Ecuador IGM_EC  (2)
EGY Centre d'Etudes Alexandrines CEAlex  (2)
ESP Instituto Geografico Nacional IGNE  (42)
ESP Puertos del Estado PDE  (9)
ESP Instituto Espanol de Oceanografia IEO  (1)
ESP Geodetic Department Universtidad de Cantabria UC  (1)
ESP Department of Applied Geodesy - Aranzadi Society of Sciences ADAG  (1)
EST Estonian Land Board ELB  (15)
FIN Finnish Geospatial Research Institute, National Land Survey of Finland FGI-NLS  (5)
FRA Laboratoire d'Etudes en Geophysique et Oceanographie Spatiale LEGOS  (6)
FRA Direction des Infrastructures, de la Topographie et des Transports Terrestres DITTT  (7)
FRA Port Autonome de Nantes - Saint-Nazaire PANSN  (1)
FRA Laboratoire de Géologie de l’Ecole normale supérieure GEOL ENS  (3)
FRA Centre National d"Etudes Spatiales CNES  (23)
FRA ORPHEON ORPHEON  (1)
FRA LIENSs - OASU LIENSs - OASU  (17)
FRA ACTIPLAN SARL ACTIPLAN  (4)
FRA GIE Coop&Tech - Réseau RTK - Groupement de Cooperatives Agricoles GIE Coop&Tech  (3)
FRA Ville de Nice Ville de Nice  (1)
FRA Grand Port Maritime du Havre HAROPA  (1)
FRA Communauté Urbaine de Dunkerque CUD  (1)
FRA Ville de Cannes - Direction des systèmes d'information Géographique Ville de Cannes  (3)
FRA Ecole Normale Superieure / CNRS - Laboratoire de Geologie ENS-GEOLOLOGIE  (1)
FRA IPG - Observatoire volcanologique du Piton de la Fournaise IPG  (1)
FRA DTAM - Phares et Balises DTAM  (2)
FRA Météo France MF  (1)
FRA Grand Port Maritime de Nantes GPMN  (1)
FRA Service des Phares et Balises de Guyane DM-GUYANE  (2)
FRA Institut National de l'Information Géographique et Forestière IGN  (1)
FRA GéoAzur - Observatoire de la Cote d'Azur GeoAzur - OCA  (1)
GBR NERC British Isles continuous GNSS Facility BIGF  (14)
GBR Bermuda Institute of Ocean Science BIOS  (1)
GBR European Space Agency ESA  (1)
GRC DEPARTMENT of GEODESY & SURVEYING DGS  (1)
GRC National Technical University of Athens NTUA  (1)
GRC Hellenic National Tsunami Warning Centre HL-NTWC  (1)
HKG Lands Department - Hong-Kong LD-HK  (9)
HRV Hydrographic Institute of the Republic of Croatia HHI  (1)
HRV State Geodetic Administration SGA  (4)
IDN National Coordination Agency for Surveys and Mapping BAKOSURTANAL  (2)
IRN National Cartographic Center of I.R.IRAN NCC  (1)
ISR Survey of Israel (SOI) SOI  (2)
ITA Università degli Studi di Ferrara UNIFE  (1)
ITA Consiglio Nazionale delle Ricerche - Istituto di Scienze Marine CNR- ISMAR  (3)
ITA Regione Campania RC  (1)
ITA Regione Abruzzo RAbruzzo  (1)
ITA Cooperativa San Martino COOPSM  (1)
ITA e-geos S.p.A. - una societa ASI/Telespazio TPZ  (3)
ITA INAF ASTRONOMICAL OBSERVATORY OF CAGLIARI CAO  (1)
ITA Universita' di Cagliari - Dip. Ingegneria Strutturale - Sez. Topografia DISIG-Cagliari  (1)
KOR National Geographic Information Institute NGII  (1)
KOR Korea Hydrographic and Oceanographic Administration KHOA  (8)
LKA Surveyor General's Office Colombo SGOC  (1)
LTU Geodetic Institute of Vilnius TU VGTU GI  (1)
LUX University of Luxembourg UL  (5)
LVA Latvijas Geotelpiskas Informacijas Agentura LGIA_LatPOS  (2)
MDG Institute Observatory of Geophysics of Antananarivo IOGA  (1)
MDV Gan Meteorological Office GANMET  (1)
MEX Instituto de Geofísica - Servicio Mareográfico Nacional - UNAM SMN-UNAM  (17)
MEX Instituto Nacional de Estadística y Geografía INEGI  (6)
MEX Instituto Municipal de Investigación y Planeación de Ensenada IMIP  (1)
NAM Directorate of Survey and Mapping Namibia DSM-NAM  (1)
NLD Delft University of Technology TUDELFT  (5)
NZL Land Information New Zealand LINZ  (13)
NZL University of Otago uOtago  (1)
OMN Petroleum Development Oman PDO  (1)
PER Instituto geografico del peru IGN PERU  (1)
PHL National Mapping and Resource Information Authority NAMRIA  (13)
PHL Naval Forces West NFW  (1)
PHL Mindanao State University MSU  (1)
POL Space Research Centre of the Polish Academy of Sciences SRC-PAS  (1)
PRT Space & Earth Geodetic Analysis Laboratory SEGAL  (3)
PRT Direccao de Servicos de Cartografia e Informacao Geografica DSCIG  (1)
PRT Direcao-Geral do Territorio DGT  (2)
PYF Université de la Polynesie francaise UPF  (9)
ROU National Institute for Earth Physics NIEP  (2)
ROU National Center for Cartography - ROMPOS Bureau NCC - ROMPOS  (1)
RUS SmartNet Russia SMARTNET  (1)
RUS Research Station of RAS RS-RAS  (9)
RUS Geophysical Observatory Arti ARS  (1)
SEN Universite Cheikh Anta Diop UCAD  (1)
SEN Direction des Travaux Geographiques et Cartographiques ANAT/DTGC  (1)
SGP Nanyang Technological University NTU  (1)
SGP Singapore Land Authority SLA  (5)
SGP Earth Observatory of Singapore Singapore EO  (1)
SVN Surveying and Mapping Authority of the Republic of Slovenia SMARS  (1)
SWE Swedish Meteorological and Hydrological Institute SMHI  (1)
SWE SWEPOS-LANTMÄTERIET SWEPOS-LMV  (44)
TWN National Measurement Laboratory ; Industrial Technology Research Institute NML - ITRI  (2)
TWN Institute of Earth Sciences, Academia Sinica IES  (5)
TZA Tanzania Ports Authority TPA  (1)
URY Servicio geographico militar SGM  (2)
USA National Geodetic Survey NGS  (13)
USA University of Hawai'i Sea Level Centre UHSLC  (4)
USA US Geological Survey USGS  (12)
USA University of California - Berkeley Seismological Laboratory UC-BSL  (6)
USA U.S. Naval Observatory USNO  (4)
USA National Radio Astronomy Observatory NRAO  (5)
USA University of the Virgin Islands UVI  (2)
USA Louisiana State University - Center for GeoInformatics LSU-C4G  (4)
USA BP BP - BPEXAK  (1)
USA Plate Boundary Observatory - EarthScope PBO  (4)
USA Federal Aviation Administration FAA  (3)
USA University of Maryland, Baltimore County UMBC  (1)
USA Washington State Reference Network WSRN  (4)
USA National Geospatial-Intelligence Agency NGA  (7)
USA CICESE Laboratorio del Nivel del Mar CICESE  (1)
USA University of Maine at Machias UMM  (1)
USA UNITED STATES AIR FORCE USAF  (1)
USA Scripps Orbit and Permanent Array Center SOPAC  (1)
USA Pacific GPS Facility - Hawaii Institute of Geophysics and Planetology - University of Hawaii at Manoa PGF  (15)
USA Florida Department of Transportation FDOT  (10)
VEN Centro de Procesamiento y Analisis GNSS SIRGAS de LUZ CPAGS-LUZ  (1)
ZAF The Hartebeesthoek Radio Astronomy Observatory HartRAO  (4)

The GNSS observations that we provide are in the form of daily 30s files (24h of observations at 30s intervals) in the standard international RINEX format. Further information on the RINEX files.

Apart from the RINEX observation files of the GNSS stations, SONEL provides ancillary information which enables a precise analysis of the GNSS measurements, in particular :
 the precise orbits of IGS,
 the Earth orientation parameters of IGS.


Evolution of the number of Rinex files available on SONEL (per DOY) since 1991-079






Number of stations whose record length reaches x (years) value.






Cumulative number of stations whose record length is x years or longer.



The GPS observations are published on the anonymous FTP server of SONEL (ftp.sonel.org). The conditions of access are that the origin of the data is acknowledged in all communications, oral or written. Further details.

The FileZilla tool is a free client ftp which allows you to access the data.

Updated from Wöppelmann et al. (2009) using ULR5 solution

- The processing of GPS observations is particularly complex for the calculation of vertical movements of the land on which the tide gauges are placed (movements of the order of mm/year). The article published in 2007 by the members of the consortium of the ‘ULR’ GPS analysis centre describes the difficulties and the challenges raised by this issue. The figure opposite illustrates the challenges : shown on the left is a series of average sea levels measured with tide gauges ; in the middle the series are corrected with the predictions of the de postglacial rebound model ICE5G (VM2); on the right with the GPS velocities obtained by the ‘ULR’ centre in ITRF2008.

Cluster Ymir (ULR)

- To meet this challenge SONEL relies on the ULR analysis centre whose computation facilitiy is situated at the University of La Rochelle. The cluster acquired in 2008 reduced significantly the calculation time, from 1 year down to 2-3 weeks to process 10 years of GPS observations from a global network of some 200 stations. This has opened up new perspectives of experimentation and important avenues of research (new strategies, modeling, corrections). In particular, it enabled the ULR group to collaborate with 9 of the most prestigious groups in the spatial field in the first reprocessing campaign of the international service IGS.

 The latest ULR solution published in Global and Planetary Change is available in SONEL as time series of daily positions and velocities. Click on the link below to obtain more details and retrieve the results.

 The members of the ULR consortium

This page enumerates the last events that occured concerning the data recovering in SONEL. Here are the significations of the different event types:

-New sitelog: a new site log has been recovered within the last 4 weeks.
-New GNSS: a new GNSS station has been included in SONEL within the last 2 months.
-New data: large amount of RINEX files has been downloaded within the last month, out of the daily process.

EVENT DATE     EVENT TYPE     ACRONYM     COMMENT    
2024-11-20 New data STJO 2694 Rinex3 files between 2016-342 and 2024-316
2024-11-15 New data JPNL 128 Rinex3 files between 2024-187 and 2024-316
2024-11-15 New GNSS JPNL Reference frame station
2024-11-07 New data MUTG 793 Rinex3 files between 2022-233 and 2024-295
2024-11-06 New GNSS OOSA No data available for OOSA
2024-11-05 New data FTTG 748 Rinex3 files between 2022-279 and 2024-296
2024-10-27 New data SC02 94 Rinex2 files between 2023-300 and 2024-316
2024-10-17 New GNSS SPIO Reference frame station
2024-10-08 New GNSS MLAN Reference frame station
2024-10-08 New GNSS LY2T Reference frame station
2024-10-07 New GNSS RDEG Reference frame station
2024-10-07 New GNSS RDPP Reference frame station
2024-10-07 New GNSS AGPR Reference frame station
2024-10-07 New GNSS HRNP Reference frame station
2024-10-07 New GNSS ARVL Reference frame station
2024-10-07 New GNSS P826 Reference frame station
2024-10-07 New GNSS EYC2 Reference frame station
2024-10-07 New GNSS DOMI Reference frame station
2024-10-07 New GNSS CRAR Reference frame station
2024-10-07 New GNSS CN48 Reference frame station
2024-10-04 New GNSS ROST Reference frame station
2024-10-04 New GNSS SCAO Reference frame station
2024-10-04 New GNSS SCTE Reference frame station
2024-10-04 New GNSS SCAR Reference frame station
2024-10-04 New GNSS PING Reference frame station
2024-10-04 New GNSS PALB Reference frame station
2024-10-04 New GNSS SWR1 Reference frame station
2024-10-04 New GNSS MRCB Reference frame station
2024-10-04 New GNSS VCIA Reference frame station
2024-10-04 New GNSS SCAU Reference frame station
2024-10-04 New GNSS SNMG Reference frame station
2024-10-04 New GNSS LERW Reference frame station
2024-10-04 New GNSS DSTG Reference frame station
2024-10-04 New GNSS EDIB Reference frame station
2024-10-04 New GNSS GORS Reference frame station
2024-10-04 New GNSS ESIS Reference frame station
2024-10-04 New GNSS FRUL Reference frame station
2024-10-04 New GNSS FAVR Reference frame station
2024-10-04 New GNSS BSVZ Reference frame station
2024-10-03 New GNSS BMPD Reference frame station
2024-10-03 New GNSS EDOC Reference frame station
2024-10-03 New GNSS EIVI Reference frame station
2024-10-03 New GNSS PRHL Reference frame station
2024-10-03 New GNSS KPER No data available for KPER
2024-10-03 New GNSS P176 Reference frame station
2024-10-03 New GNSS BACO Reference frame station
2024-10-03 New GNSS NCCH Reference frame station
2024-10-03 New GNSS MATA Reference frame station
2024-10-03 New GNSS STOR Reference frame station
2024-10-02 New GNSS CHNN Reference frame station
2024-10-02 New GNSS CAPO Reference frame station
2024-10-02 New GNSS TXNJ Reference frame station
2024-10-02 New GNSS AMME Reference frame station
2024-10-02 New GNSS PTPP Reference frame station
2024-10-02 New GNSS MANT Reference frame station
2024-10-02 New GNSS FLKW Reference frame station
2024-10-02 New GNSS FLMK Reference frame station
2024-10-02 New GNSS NCD4 Reference frame station
2024-10-02 New GNSS N304 Reference frame station
2024-10-02 New GNSS GUGO Reference frame station
2024-10-02 New GNSS WAPA Reference frame station
2024-09-26 New GNSS PBR4 Reference frame station
2024-09-25 New GNSS SWIO GNSS-IR station

Survey on Continuous GNSS and Tide Gauge co-locations (GNSS@TG)

Survey results table

In order to get a better idea of the status and opportunities on continuous GPS positioning of tide gauges, a survey is carried out periodically within various geoscience communities. The survey aims to identify the existing permanent GPS stations which are close to tide gauges (up to approximately 10-15 km).



 The survey results can be viewed in conjunction with SONEL data holdings on the map (above). Purple symbols correspond to stations for which there are no observations in SONEL yet.

 By clicking on the table icon an on-line updated view of the CGPS@TG information that has been supplied to us is displayed. The table can be sorted by clicking on the column items, and a version of the view (table) can be downloaded in a format compatible with applications like excel (.csv).

Survey results on .kmz file

- A ’.kmz’ file provides a Google Earth view of the CGPS@TG geographical distribution. The cgpstg.kmz file is consistent with the above mentionned table (updated weekly). Clicking on a station symbol provides ancillary information on the station, and further clicking on the station name provides access to the so-called GPS sitelog (if the GPS data are available). The CGPS@TG ’kmz’ view might be useful in conjunction with the ’.kmz’ files of satellite radar altimetry ground tracks provided by CLS, or with the ’.kmz’ file of tide gauge records provided by the PSMSL.

 In addition to the periodic surveys, information on CGPS@TG co-locations can also be supplied to us any time by filling in this form. Thank you in advance for your collaboration.

 The sitelog generation tool can help you generate a sitelog file for your station, suitable with IGS requirements.