GNSS Networks List
Topcon GNSS Reference Networks are in operation worldwide as listed below. These Networks supply a variety of correction data services including DGPS, RTK, and modeled data corrections. Contact a service provider for further information.
Country |
Region | Oganization/Contact | Public or Private | Provided Services | Number of stations | |
|---|---|---|---|---|---|---|
| USA | Alabama, Georgia, Mississippi |
Earl Dudley Inc. Shane Traffanstedt Website |
Private | NETWORK RTK, RTK, DGPS, PP | 20 | |
| USA | Colorado |
Rocky Mountain Lasers Mike Byrd Website |
Private | RTK, DGPS | 4 | |
| USA | Washington, Oregon |
The PPI Group Collin McCoy Website |
Private | RTK, DGPS, PP | 15 | |
| USA | Pennsylvania |
PPS, Inc. Frank Palazzolo Website |
Private | NETWORK RTK, RTK, DGPS | 11 | |
| USA | Arizona |
Branco Brad Conover Website |
Private | NETWORK RTK, RTK, DGPS, PP | 10 | |
| USA | Connecticut |
Superior Instrument Mike Jiantonio Website |
Private | RTK, DGPS | 4 | |
| USA | New Mexico |
City of Albuquerque Cliff Wilkie Website |
Public | NETWORK RTK, RTK, DGPS, PP | 8 | |
| USA | Maryland |
DiCarlo Precision Instrument, Inc. Lukas Duruttya Website |
Private | RTK, DGPS, PP | 9 | |
| USA | Tennessee |
Tennessee Department of Transportation Jim Waters Website |
Public | NETWORK RTK, RTK, PP | 40 | |
| USA | Texas, Oklahoma |
Midwest A & E Danny Hayes Website |
Private | NETWORK RTK, RTK | 14 | |
| USA | Pennsylvania, New Jersey |
Boyd Instrument and Supply John Boyd Website |
Private | NETWORK RTK, RTK, DGPS | 25 | |
| USA | Maryland, Virginia, Delaware, West Virginia, Pennsylvania |
Caron East Mike Clites Website |
Private | NETWORK RTK, RTK, PP | 42 | |
| USA | Alabama |
Hayes Instrument Daniel Shearon Website |
Private | RTK, PP | 4 | |
| USA | Washington |
City of Bellevue Lynn Call Website |
Public | RTK, PP | 3 | |
| USA | Indiana, Illinois, Wisconsin, Michigan, Missouri |
Positioning Solutions Jeremy Pooler Website |
Private | RTK, DGPS, PP | 50 | |
| USA | California |
Topcon California Joe Clifford Website |
Private | NETWORK RTK, RTK, DGPS | 46 | |
| USA | California |
Engineering Supply Chuck Madrid Website |
Private | RTK | 34 | |
| USA | Arizona, New Mexico |
Holman's Anthony Trujillo Website |
Private | RTK, PP | 9 | |
| USA | Florida, Georgia |
Lengemann Justin Farthing Website |
Private | NETWORK RTK, RTK, DGPS, PP | 60 | |
| USA | Kansas, Missouri |
Griner & Schmitz Jim Martin Website |
Private | RTK, DGPS, PP | 3 | |
| USA | Texas |
GeoShack Paul Naylor Website |
Private | NETWORK RTK, RTK, DGPS, PP | 60 | |
| The Netherlands | Nation Wide |
Kadaster netpos@kadster.nl Website |
Public | NETWORK RTK, PRS, RTK, PP | 33 | |
| The Netherlands | Nation Wide |
06-GPS info@06-gps.nl Website |
Private | NETWORK RTK, PRS, FKP, MAC+, RTK, DGPS/DGNSS, PP | 27 | |
| Taiwan | Nation Wide |
Ministry of the Interior SpatialTEK Website |
Public | NETWORK RTK, PP | 12 | |
| Spain | Galicia |
Global Suministros Topograficos, S.L. Carlos Mosquera Website |
Private | RTK, DGPS/DGNSS, PP | 7 | |
| Spain | Galicia |
Cartogalicia Omar Bascoy Feito Website |
Private | NETWORK RTK, RTK, DGPS/DGNSS, PP | 17 | |
| Spain | Madrid |
Comunidad de Madrid info@inlandgeo.com Website |
Public | RTK, PP | 9 | |
| Spain | Nation Wide |
InlandGEO Juan Manuel Villegas Website |
Private | RTK, DGPS, PP | 70 | |
| Poland | Warszawa, Poznan, Wroclaw, Krakow, Rzeszow |
TPI gps@topcon.com.pl Website |
Private | RTK, DGPS, PP | 5 | |
| Norway | Østfold, Gjøvik, Rælingen, Nedre Buskerud, Tromsø, Søgne |
Blinken AS Kristian Lous Bøhle Website |
Private | RTK | 10 | |
| Lithuania | Vilnius, Marijampole, Panevezys |
TPI Vilnius gps@topcon.lt Website |
Private | RTK, DGPS, PP | 3 | |
| Italy | Campania |
Regione Campania sit@regione.campania.it Website |
Public | NETWORK RTK, PRS, FKP, RTK, DGPS/DGNSS, PP | 13 | |
| Italy | Emilia Romagna |
So.G.E.R. Leonardo Gualandi Website |
Private | NETWORK RTK, PRS, FKP, RTK, DGPS/DGNSS, PP | 15 | |
| Italy | Nation Wide |
GEOTOP SRL Paolo Centanni Website |
Private | RTK, DGPS, PP | 185 | |
| Italy | Sicily |
APAT Rete Siornet Website |
Public | PP | 5 | |
| Italy | Friuli V.G. |
OGS Dott. David Zuliani Website |
Public | RTK, DGPS, PP | 13 | |
| Italy | Umbria |
Regione Umbria Arch. Ambra Ciarrapica Website |
Public | NETWORK RTK, FKP, RTK, DGPS, PP | 10 | |
| Italy | Lombardia |
GPSLombardia info@gpslombardia.it Website |
Public | NETWORK RTK, PRS, FKP, RTK, DGPS/DGNSS, PP | 18 | |
| Italy | Central Italy |
University Perugia Prof. Fabio Radicioni Website |
Public | PP | 20 | |
| Germany | Western Germany |
ASCOS ascos@eon-ruhrgas.com Website |
Private | NETWORK RTK, PRS, RTK, DGPS, PP | 30 | |
| Czech Republic | Nation Wide |
GEODIS BRNO s.r.o. Martin Tesnar Website |
Private | RTK, PP | 14 | |
| Columbia | Nation Wide |
Instituto Geografico Agustin Codazzi (IGAC) William Martinez Website |
Public | PP | 16 | |
| China | Sichuan Province |
Sichuan Bureau of Surveying & Mapping Contact Unavailable Website |
Public | NETWORK RTK, RTK, DGPS/DGNSS, PP | 22 | |
| China | Hefei City |
Hefei Surveying and Mapping Engineering Institute Contact Unavailable Website |
Public | NETWORK RTK, RTK, DGPS/DGNSS, PP | 5 | |
| China | Fuzhou City |
Fuzhou Institute of Surveying & Mapping Contact Unavailable Website |
Public | NETWORK RTK, RTK, DGPS/DGNSS, PP | 9 | |
| China | Beijing City |
Beijing Meteorological Bureau Contact Unavailable Website |
Public | PP | 14 | |
| China | Nationwide |
China Earthquake Administration Contact Unavailable Website |
Public | PP | 132 | |
| China | Heilongjiang Province |
Daqing Bureau of Land Resources Contact Unavailable Website |
Public | NETWORK RTK, RTK, DGPS/DGNSS, PP | 6 | |
| China | Shandong Province |
Shandong Institute of Surveying & Mapping Contact Unavailable Website |
Public | NETWORK RTK, RTK, DGPS/DGNSS, PP | 49 | |
| China | Yantai City |
Yantai Bureau of Land Resources Contact Unavailable Website |
Public | NETWORK RTK, RTK, DGPS/DGNSS, PP | 4 | |
| China | Xi'an City |
Xi'an Institute of Surveying & Mapping Contact Unavailable Website |
Public | NETWORK RTK, RTK, DGPS/DGNSS, PP | 7 | |
| China | Inner Mongolia Autonomous Region |
Inner Mongolia Bureau of Surveying & Mapping Contact Unavailable Website |
Public | NETWORK RTK, RTK, DGPS/DGNSS, PP | 49 | |
| China | Huangshan City |
Huangshan Bureau of Land Resources Contact Unavailable Website |
Public | NETWORK RTK, RTK, DGPS/DGNSS, PP | 4 | |
| China | Huludao City |
Huludao City Contact Unavailable Website |
Public | NETWORK RTK, RTK, DGPS/DGNSS, PP | 7 | |
| China | Liuzhou City |
Liuzhou Institute of Surveying & Mapping Contact Unavailable Website |
Public | NETWORK RTK, RTK, DGPS/DGNSS, PP | 4 | |
| China | Guangxi Autonomous Region |
Guangxi Bureau of Surveying & Mapping Contact Unavailable Website |
Public | NETWORK RTK, RTK, DGPS/DGNSS, PP | 8 | |
| Chile | Nation Wide |
Ministerio de Bienes Nacionales Contact Unavailable Website |
Public | PP | 15 | |
| Canada | British Columbia, Alberta, Manitoba |
Brandt Positioning Technology Randy Hudson Website |
Private | RTK, PP | 19 | |
| Austria | Eastern Austria |
Wienstrom and ÖBB Christian Klug Website |
Private | RTK, DGPS, PP | 13 | |
| Austria | Carintia |
KELAG Dipl.-Ing. Harald Felsberger Website |
Private | RTK | 8 | |
| Austria | Burgenland |
BEWAG Ing. Roland Ramesmayer Website |
Private | RTK | 4 | |
| Australia | Nation Wide |
Position Partners / Survey & Machine Control Gavin Docherty Website |
Private | RTK, DGPS/DGNSS, PP | 191 |
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