Chart Overview 
Previous page| SITE | COUNTRY | LAT. | LON. | EL. | HOST/MANAGING ORGANIZATION | SLR | VLBI | GPS | GLON | DORIS | PRARE | GRAV | SEIS | MET | TIME | TIDE | OTHER |
| Saddle Peak, CA | USA | N 34.06 | W 118.65 | 440 | NASA/JPL | F,I | |||||||||||
| Saint Croix, Virgin Islands | US Virgin Islands | N 17.75 | W 64.58 | -32 | National Radio Astronomy Observatory (NRAO) | F,A | F,I | O | M | ||||||||
| Saint John's | Canada | N 47.60 | W 52.68 | 154 | National Resources of Canada (NRCan), Geological Survey of Canada (GSC) | F,I | F | C | C | ||||||||
| Salta | Argentina | S 24.73 | E 294.59 | 1,258 | Universidad Salta Instituto Geonorte, GeoforschungsZentrum Potsdam (GFZ) | F,I | |||||||||||
| Sanae | Antarctica | S 71.67 | W 02.84 | 862 | Alfred Wegener Institute for Polar and Marine Research (AWI) | F,I | |||||||||||
| San Fernando | Spain | N 36.47 | W 06.20 | 86 | Real Instituto y Observatorio de la Armada | F | F,I | T | F | O | C | Astronomical Obs., Geophysical Lab., Magnetometer | |||||
| San Lorenzo | Honduras | N 13.42 | E 272.56 | 41 | National Oceanic and Atmospheric Administration (NOAA) | F,I | |||||||||||
| San Nicolas Island, CA | USA | N 33.25 | W 119.52 | 240 | NASA/JPL | F,I | |||||||||||
| San Salvadore | El Salvadore | N 13.70 | E 270.88 | 664 | National Oceanic and Atmospheric Administration (NOAA) | F,I | |||||||||||
| Santa Helena | United Kingdom | S 15.98 | W 05.67 | 456 | Centre National d'Etudes Spatiales (CNES), Institut Geographique National (IGN), Groupe de Recherches de Geodesie Spatiale (GRGS) | F | |||||||||||
| Santa Maria, Azores | Portugal | N 36.98 | W 25.17 | Centre National d'Etudes Spatiales (CNES), Institut Geographique National (IGN), Groupe de Recherches de Geodesie Spatiale (GRGS) | F | ||||||||||||
| Santiago | Chile | S 33.15 | W 70.67 | 723 | Centro de Estudios Espaciales (CEE), University of Chile under contract to NASA/GSFC | [F] | [F] | F,I | F | F | C | S/C Cmd & Tlm.. | |||||
| Santiago de Cuba | Cuba | N 20.00 | W 75.80 | Centro Nacional de Investigaciones Sismologicas, GeoforschungsZentrum (GFZ) | F | O | |||||||||||
| Sarapul | Russia | N 56.48 | E 53.79 | Russian Space Agency (RSA) | F | (F,I) | O | ||||||||||
| Schefferville | Canada | N 54.50 | W 66.83 | 498 | Natural Resources of Canada (NRCan) | F,I | C | R | |||||||||
| Scripps, CA | USA | N 32.87 | W 117.25 | 8 | University of California at San Diego (UCSD) | F,I | F | F | Geophsical Lab., Magnetometer | ||||||||
| Sévres | France | N 48.83 | E 02.22 | 120 | Bureau International des Poids et Mesures (BIPM) | F | |||||||||||
| Seychelles | Island | S 04.68 | E 55.50 | 537 | NASA/JPL, International Deployment of Accelerometers (IDA) | F,I | |||||||||||
| Shamsi | Kyrgyzstan | N 42.62 | E 75.32 | NASA/JPL | F,I | ||||||||||||
| Shanghai | China | N 31.18 | E 121.43 | 22 | Shanghai Astronomical Observatory (SAO), GeoforschungsZentrum Potsdam (GFZ) | F | F | F,I | F | F | O | M | |||||
| Shintomi | Japan | N 32.08 | E 131.48 | Geographical Survey Institute (GSI) | T | ||||||||||||
| Shintotsukawa | Japan | N 43.52 | E 141.83 | Geographical Survey Institute (GSI) | F | F | T | O | M | ||||||||
| Signy Island | Antarctica | S 60.71 | W 45.60 | Centre National d'Etudes Spatiales (CNES), Institut Geographique National (IGN), Groupe de Recherches de Geodesie Spatiale (GRGS) | [F] | ||||||||||||
| Simeiz | Ukraine | N 44.26 | E 33.59 | Russian Academy of Sciences (RAS), Ukraine Academy, Department of Science and Technology | F | F | (F,I) | O | |||||||||
| Simi Valley, CA | USA | N 34.24 | W 118.68 | 554 | U.S. Geological Service (USGS) | F,I | |||||||||||
| Simosato | Japan | N 33.57 | E 135.93 | Simosato Hydrographic Observatory (SHO), Hydrographic Department (JHD), Maritime Safety Agency | F | F | F | O | |||||||||
| Singapore | Singapore | N 01.35 | E 103.68 | 79 | Nanyang Technological University (NTUS), Delft University of Technology (DUT) | F,I | |||||||||||
| Sky Valley, CA | USA | N 33.93 | W 116.39 | 485 | Scripps Institution of Oceanography (SIO) | F,I | |||||||||||
| Socorro Island | Mexico | N 18.72 | W 110.95 | 17 | CentreNational d'Etudes Spatiales (CNES), Institut Geographique National (IGN), Groupe de Recherches de Geodesie Spatiale (GRGS) | F | |||||||||||
| Sofia | Bulgaria | N 42.56 | E 23.39 | 1,119 | Bundesamt für Kartographie und Geodäsie (BKG) | F,I | |||||||||||
| Solomons Island, MD | USA | N 38.20 | W 76.28 | -18 | National Oceanic and Atmospheric Administration (NOAA) | F,I | C | ||||||||||
| South Pole | Antarctica | S 90.00 | E 00.00 | U.S. Geological Service (USGS) | F,I | ||||||||||||
| Stuttgart | Germany | N 48.78 | E 09.20 | TIM | F | ||||||||||||
| Sutherland | South Africa | S 32.50 | E 20.70 | 1,800 | Foundation for Research Development, South African Astonomical Observatory, Geoforschungs Zentrum (GFZ), NASA/GSFC | [T],(F) | (F) | F,I | F | Astronamical Observatory | |||||||
| Suva | Fiji | S 18.15 | E 178.43 |
73 |
Pacific GPS Facility | F,I | |||||||||||
| Suwon-shi | Korea | N 37.28 | E 127.05 | 84 | National Geography Institute (NGI) | F,I | R | ||||||||||
| Svetloe | Russia | N 60.53 | E 29.79 | Institue of Applied Astronomy (IAA) | (T) | F | F (I) | (F) | Syrius-A | ||||||||
| Sylmar, CA | USA | N 34.34 | W 118.40 | 1,139 | U.S. Geological Service (USGS) | F,I | |||||||||||
| Syowa | Antarctica | S 69.00 | E 39.35 | Centre National d'Etudes Spatiales (CNES), Institut Geographique National (IGN), Groupe de Recherches de Geodesie Spatiale (GRGS), Nippon Institute for Polar Research (NIPR) | F | F,I | F | F | O | M | |||||||
| Taejon | Korea | N 37.40 | E 127.41 | 78 | Korea Astronomy Observatory (KAO) | F,I | C | ||||||||||
| Taipei | Taiwan | N 25.02 | E 121.53 | 45 | Institute of Earth Science | F,I | R | ||||||||||
| Talas | Kyrgyzstan | N 42.45 | E 72.21 | NASA/JPL | F,I | ||||||||||||
| Tateyama | Japan | N 34.59 | E 139.50 | Communications Research Laboratory (CRL) | F | F | O | M | |||||||||
| Teddington | United Kingdom | N 51.42 | W 00.34 | 65 | National Physical Laboratory (NPL) | F,I | F | ||||||||||
| Tegucigalpa | Honduras | N 14.10 | W 87.20 | 995 | Instituto Geografico Nacional, National Oceanic and Atmospheric Administration (NOAA) Geosciences Laboratory | F,I | |||||||||||
| Temecula, CA | USA | N 33.58 | W 117.06 | 517 | Scripps Institution of Oceanography (SIO) | F,I | |||||||||||
| Terre Adélie | Antarctica | S 66.67 | E 140.00 | 1 | Centre National d'Etudes Spatiales (CNES), Institut Geographique National (IGN), Groupe de Recherches de Geodesie Spatiale (GRGS) | F | |||||||||||
| Thule | Greenland | N 76.35 | W 68.30 | 55 | Danish Geodetic Survey, University of Texas at Austin, NASA/JPL | F,I | F | ||||||||||
| Tidbinbilla | Australia | S 35.40 | E 148.98 | 665 | Australian Surveying and Land Information Group (AUSLIG), under contract to NASA/GSFC | F | F,I | O | M | S/C Cmd. & Tlm. | |||||||
| Tiksi | Russia | N 71.63 | E 128.87 | 47 | Regional GPS Data Acquisition and Analysis Center on Northern Eurasia, Russia (RDAAC), NASA/JPL, Incorporated Research Institutions for Seismology (IRIS) | F,I | |||||||||||
| Tokyo | Japan | N 35.70 | E 139.48 | Communications Research Laboratories (CRL), NIPR | F | O | |||||||||||
| Torrance, CA | USA | N 33.80 | W 118.33 | -4 | U.S. Geological Service (USGS) | F,I | |||||||||||
| Toulouse | France | N 43.55 | E 01.48 | 210 | Centre National d'Etudes Spatiales (CNES), Institut Geographique National (IGN), Groupe de Recherches de Geodesie Spatiale (GRGS) | [T] | F,I | F | C | ||||||||
| Townsville | Australia | S 19.27 | E 147.06 | 87 | Australian Survey and Land Information Group (AUSLIG) | F,I | |||||||||||
| Trabzon | Turkey | N 40.99 | E 39.78 | 99 | Bundesamt für Kartographie und Geodäsie (BKG) | F,I | |||||||||||
| Tristan de Cunha Island | United Kingdom | S 35.50 | W 12.50 | 49 | Centre National d'Etudes Spatiales (CNES), Institut Geographique National (IGN), Groupe de Recherches de Geodesie Spatiale (GRGS) | (F,I) | F | ||||||||||
| Tromsø | Norway | N 69.67 | E 18.93 | 133 | University of Tromso, Norwgian Mapping Authority, Statens Kartverk (SK) | T | T | F,I | [F] | F | T | R | S/C Cmd & Tlm., Magnetometer | ||||
| Trysil | Norway | N 61.30 | E 12.30 | 725 | Norwegian Mapping Authority, Statens Kartverk (SK) | T | T | (F) | T | ||||||||
| Tsukuba | Japan | N 36.10 | E 140.08 | 67 | Geographical Survey Institute (GSI) | F | F,I | F | F | F | O | M | Magnetometer | ||||
| Ucluelet | Canada | N 48.93 | W 125.54 | 10 | National Resources of Canada (NRCan), Geological Survey of Canada (GSC) | F,I | R | ||||||||||
| Ulaan Baatar | Mongolia | N 48.00 | E 106.90 | Ulaan Baatar Astronomical Observatory, GeoforschungsZentrum Potsdam (GFZ), Astronomical and Geophysical Research Centre of Academy of Science (AGRC) | F | ||||||||||||
| Urumqi | China | N 44.20 | E 87.50 | 2,034 | Urumqi Astronomical Station, Chinese Academy of Sciences | T | F | F,I | O | M | |||||||
| Ussurijsk | Russia | N 43.90 | E 132.00 | Russian Space Agency (RSA) | F | O | M | ||||||||||
| Usuda | Japan | N 36.13 | E 138.37 | 1,508 | Institute for Space and Astronautic Science (ISAS) | [F] | F,I | F | C | S/C Cmd., Tlm., DSN | |||||||
| Uzhgorod | Ukraine | N 48.63 | E 22.30 | 232 | Main Astronomical Observatory of the National Academy of Sciences of Ukraine (MAO) | F,I | |||||||||||
| Valparaiso | Chile | S 33.03 | E 288.37 |
31 |
Pacific GPS Facility | F,I | |||||||||||
| Vandenberg, CA | USA | N 34.57 | W 120.50 | -12 | US Air Force-Vandenberg Air Force Base (VAFB), University of California at San Diego (UCSD), NASA/JPL | T | T | F,I | |||||||||
| Venezia | Italy | N 45.44 | E 12.33 | 67 | Italian Space Agency (ASI) | F,I | |||||||||||
| Villafranca | Spain | N 40.44 | W 3.59 | 647 | European Space Agency (ESA), European Space Operations Center (ESOC) | F,I | C | ||||||||||
| Visby | N 57.65 | E 18.37 | 72 | National Land Survey, SWEPOS Operational Center | F | ||||||||||||
| Vladivostok | Russia | N 43.06 | E 131.47 | Western Pacific Integrated Network of GPS in Japan (WING) | (F,I) | ||||||||||||
| Wallis and Futuna | France | S 13.27 | E 183.82 | 159 | Centre National d'Etudes Spatiales (CNES), Institut Geographique National (IGN), Groupe de Recherches de Geodesie Spatiale (GRGS) | F | |||||||||||
| Washington D.C. (USNO) | USA | N 38.92 | W 77.07 | 49 | U.S. Naval Observatory (USNO) | F,I | F | C | M | ||||||||
| Wellington | New Zealand | S 41.27 | E 174.78 | Department of Surveying and Land Information (DOSLI), Australian Surveying and Land Information Group (AUSLIG) | (F,I) | ||||||||||||
| Westerbork | The Netherlands | N 52.91 | E 06.60 | 86 | Delft University of Technology (DUT) | T | F,I | R | |||||||||
| Westford, MA | USA | N 42.62 | W 71.48 | 86 | Haystack Observatory, Massachusetts Institute of Technology (MIT) under contract to NASA/GSFC | T | F | F,I | F | F | C | M | Ionospheric Radar | ||||
| Wettzell | Germany | N 49.15 | E 12.88 | 666 | Bundesamt für Kartographie und Geodäsie (BKG) | F,T | F | F,I | F | F | F | F | C | M | LLR | ||
| Whistler | Canada | N 50.13 | W 122.92 | 909 | National Resources of Canada (NRCan), Geological Survey of Canada (GSC) | F,I | R | ||||||||||
| Whitehorse | Canada | N 60.72 | W 135.08 | 1,427 | National Resources of Canada (NRCan), Geological Survey of Canada (GSC) | T | F,I | ||||||||||
| Whittier, CA | USA | N 33.98 | W 118.03 | 94 | NASA/JPL | F,I | |||||||||||
| Williams Lake | Canada | N 52.24 | W 122.17 | 1,096 | National Resources of Canada (NRCan), Geological Survey of Canada (GSC) | F,I | R | ||||||||||
| Wrightwood/Table Mountain, CA | USA | N 34.38 | W 117.68 | 2,229 | U.S. Geological Service (USGS) | F,I | |||||||||||
| Wuhan | China | N 30.58 | E 114.32 | 93 | Wuhan Technological University of Surveying and Mapping | F | F,I | F | F | O | C | ||||||
| Xi'an | China | N 34.20 | E 109.00 | 82 | Chinese Academy of Sciences, NASA/JPL, University NAVSTAR Consortium (UNAVCO) | F,I | |||||||||||
| Yakutsk | Russia | N 62.03 | E 129.68 | 100 | Regional GPS Data Acquisition and Analysis Center on Northern Eurasia, Russia (RDAAC) | F,I | |||||||||||
| Yamoussoukro | Cote D'ivorie | N 6.87 | W 05.24 | 270 | NASA/JPL | F,I | |||||||||||
| Yaragadee | Australia | S 29.05 | E 115.35 | 241 | Australian Space Office under contract to NASA/GSFC | F | F,I | F | F | (T) | O | C | |||||
| Yebes | Spain | N 40.31 | W 03.07 | 241 | Observatorio Astronomico Nacional, Instituto Geographico Nacional | F | F,I | O | M | ||||||||
| Yellowknife | Canada | N 62.48 | W 114.48 | 181 | National Resources of Canada (NRCan), Geological Survey of Canada (GSC), Geodetic Survey, Geomatics Canada | F | F,I | F | T | F | C | M | Magnetometer | ||||
| Yerevan | Armenia | N 40.23 | E 44.30 | 1,167 | National Survey Seismic Protection (NSSP), NASA/JPL | F,I | |||||||||||
| Yucaipa, CA | USA | N 34.04 | W 117.10 | 690 | Scripps Institution of Oceanography (SIO) | F,I | |||||||||||
| Yuzhno-Sakhalinsk | Russia | N 47.10 | E 142.43 | Regional GPS Data Acquisition and Analysis Center on Northern Eurasia, Russia (RDAAC), Incorporated Research Institutions for Seismology (IRIS), Institute of Marine Geodesy, Russian Academy of Sciences (RAS) | F,I | F | F | ||||||||||
| Zelenchukskaya | Russia | N 43.80 | E 41.60 | 1,167 | Institute of Applied Astronomy (IAA) | (T) | (F) | F,I | T | Syrius-A | |||||||
| Zimmerwald | Switzerland | N 46.88 | E 07.47 | 957 | Zimmerwald Obs. of Berne U., Bundesamt fur Landestopographie (BfL) | F | F,I | F | T,F | C | Astronamical Observatory | ||||||
| Zveningorod | Russia | N 55.70 | E 36.75 | 270 | Institute of Astronomy of the Russian Academy of Sciences, Geoforschungs Zentrum (GFZ) | (F) | F,I | C | |||||||||
| Total number of sites: | 368 | 85 | 79 | 305 | 42 | 66 | 32 | 38 | 27 | 105 | 100 | 4 |
| Column | Definition |
|---|---|
| EL | Elevation, accuracy to meter level (majority of values from IGS site logs) |
| MET | Meteorological data (C[ontinuous], [during ]O[bservations only]) |
| TIME | Precision Time Standard ([H-]M[aser], C[esium], R[ubidium]) |
| TIDE | Tie to tide gauge within 10km |
| Code | Definition |
| F | System in permanent operations |
| T | Accomodations in place for transportable system |
| ( ) | Future |
| [ ] | Past |
| I | International GPS Service for Geodynamics (IGS) site |
| A | VLBA site |
| S/C Cmd. & Tlm. | Spacecraft command and telemetry |
| DSN | Deep Space Network |
| S/C Launch Fac. | Spacecraft launch facility |
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Noll
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