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1. Doppler Orbitography by Radiopositioning Integrated on Satellite Data from NASA/CDDIS [CDDIS_DORIS_data]
The Doppler Orbitography by Radiopositioning Integrated on Satellite (DORIS) was developed by the Centre National d'Etudes Spatiales (CNES) with cooperation from other French government agencies. ...


2. Global Navigation Satellite System Data from NASA CDDIS [CDDIS_GNSS_data]
Global Navigation Satellite System data consists of the U.S. Global Positioning System (GPS) and the Russian GLObal NAvigation Satellite System (GLONASS) data sets. The Global Positioning System, ...


3. Global Navigation Satellite System Orbit Products from NASA CDDIS [GNSS_orbits1]
Global Navigation Satellite System data consists of the U.S. Global Positioning System (GPS) and the Russian GLObal NAvigation Satellite System (GLONASS) data sets. The satellites transmit the ranging ...


4. Lunar Laser Ranging Data from NASA CDDIS [CDDIS_LLR_data]
Lunar Laser Ranging (LLR) measures the distance between the Earth and the Moon using laser ranging. A short pulse of coherent light generated by a laser (Light Amplification by Stimulated Emission ...


5. Satellite Laser Ranging Data from NASA CDDIS [CDDIS_SLR_data]
In Satellite Laser Ranging (SLR), a short pulse of coherent light generated by a laser (Light Amplification by Stimulated Emission of Radiation) is transmitted in a narrow beam to illuminate corner ...


6. Very Long Baseline Interferometry Data from NASA CDDIS [CDDIS_VLBI_data]
Very Long Baseline Interferometry (VLBI) is a geometric technique: it measures the time difference between the arrival at two Earth-based antennas of a radio wavefront emitted by a distant quasar. ...


7. Mexico Gravity Data per 2 min Cell (97) [gov.noaa.ngdc.mgg.geophysics.G01435]
This 2' gravity density grid for Mexico, North-Central America, and the Western Caribbean Sea shows the distribution of about one million terrestrial and marine gravity measurements held in the NGS ...


8. Collection of Observed Gravity Values, Absolute Gravity Measurements, Grids and Other Derived Summary Data [gov.noaa.ngdc.mgg.geophysics.G01018]   PARENT DIF
The National Geophysical Data Center (NGDC) of NOAA, in cooperation with the National Geodetic Survey of NOAA, have published a Gravity CD-ROM containing observed and derived gravity measurements. ...


9. Global Gravity Grids, Geoid Height and Gravity Anomaly Profiles [gov.noaa.ngdc.mgg.geophysics.G01146]   PARENT DIF
The entire collection of GEOSAT ERM (Nov.'86 - Dec. '89) data over land and ice regions is held at the National Geophysical Data Center (NGDC). These data will yield reasonable elevation values for ...


10. Land and Marine Gravity Data on CD-ROM - 1999 Edition [gov.noaa.ngdc.mgg.geophysics.G01352]   PARENT DIF
The Land and Marine Gravity 1999 Edition 2-volume CD-ROM set contains observed and derived land and marine gravity data contributed by many national and international organizations, from both the ...


11. U.S. Topographic Grid [gov.noaa.ngdc.mgg.geophysics.G01392]   PARENT DIF
isotop.bin - topographic data for conterminous U.S. projected on an 8 km grid. Projection is Albers, central meridian = 96 degrees West, base latitude = 0 degrees North. Elevations are in meters.


12. U.S. Isostatic Residual Gravity Grid [gov.noaa.ngdc.mgg.geophysics.G01391]   PARENT DIF
isores.bin - standard grid containing isostatic residual gravity map for U.S. Grid interval = 4 km. Projection is Albers (central meridian = 96 degrees West; base latitude = 0 degrees North). Sea ...


13. NOAA/NGS Continuously Operating Reference Station (CORS) [gov.noaa.ngdc.stp.terrestrial.G10019]
The National Geodetic Survey (NGS), an office of NOAA's National Ocean Service, manages a network of Continuously Operating Reference Stations (CORS) that provide Global Navigation Satellite System ...


14. Casey Permanent GPS Observatory Site [scar-ggi8]   PARENT DIF
This permanent GPS site contributes to the International GPS Service (IGS). The IGS, along with a multinational membership of organizations and agencies, provides GPS orbits, tracking data, and other ...


15. Davis Permanent GPS Observatory Site [scar-ggi7]   PARENT DIF
This permanent GPS site contributes to the International GPS Service (IGS). The IGS, along with a multinational membership of organizations and agencies, provides GPS orbits, tracking data, and other ...


16. Dumont d'Urville Permanent DORIS Observatory Site [scar-ggi13]   PARENT DIF
This permanent Doppler Orbitography and Radio-positioning Integrated by Satellite (DORIS) site contributes data to the International Earth Rotation Service (IERS).


17. Gough Island Permanent GPS Observatory Site [scar-ggi6]   PARENT DIF
This permanent GPS site contributes to the International GPS Service (IGS). The IGS, along with a multinational membership of organizations and agencies, provides GPS orbits, tracking data, and other ...


18. Kerguelen Permanent DORIS Observatory Site [scar-ggi9]   PARENT DIF
This permanent Doppler Orbitography and Radio-positioning Integrated by Satellite (DORIS) site contributes data to the International Earth Rotation Service (IERS).


19. Kerguelen Permanent GPS Observatory Site [scar-ggi1]   PARENT DIF
This permanent GPS site contributes to the International GPS Service (IGS). The IGS, along with a multinational membership of organizations and agencies, provides GPS orbits, tracking data, and other ...


20. Macquarie Island Permanent GPS Observatory Site [scar-ggi5]   PARENT DIF
This permanent GPS site contributes to the International GPS Service (IGS). The IGS, along with a multinational membership of organizations and agencies, provides GPS orbits, tracking data, and other ...


21. McMurdo Permanent GPS Observatory Site [scar-ggi4]   PARENT DIF
This permanent GPS site contributes to the International GPS Service (IGS). The IGS, along with a multinational membership of organizations and agencies, provides GPS orbits, tracking data, and other ...


22. O'Higgins Permanent GPS Observatory Site [scar-ggi3]   PARENT DIF
This permanent GPS site contributes to the International GPS Service (IGS). The IGS, along with a multinational membership of organizations and agencies, rovides GPS orbits, tracking data, and other ...


23. Rothera Permanent DORIS Observatory Site [scar-ggi12]   PARENT DIF
This permanent Doppler Orbitography and Radio-positioning Integrated by Satellite (DORIS) site contributes data to the International Earth Rotation Service (IERS). Climate indicators of rothera ...


24. SANAE IV Permanent GPS Observatory Site [scar-ggi2]   PARENT DIF
This permanent GPS site contributes to the International GPS Service (IGS). The IGS, along with a multinational membership of organizations and agencies, provides GPS orbits, tracking data, and other ...


25. Syowa Permanent DORIS Observatory Site [scar-ggi10]   PARENT DIF
This permanent Doppler Orbitography and Radio-positioning Integrated by Satellite (DORIS) site contributes data to the International Earth Rotation Service (IERS).


26. Syowa Permanent GPS Observatory Site [scar-ggi11]   PARENT DIF
This permanent GPS site contributes to the International GPS Service (IGS). The IGS, along with a multinational membership of organizations and agencies, provides GPS orbits, tracking data, and other ...


27. Location of Antarctic Base Stations [antsttns]
A list of Antarctic base stations that were in operation over the winter of 1998. Also has a link to information about summer bases on Antarctica the Council of Managers of National Antarctic Programs ...


28. Principal Facts for Gravity Stations in the Vicinity of San Bernardino, Southern California [USGS_OFR_00193]
The purpose of the survey was to locate more precisely and characterize the Rialto-Colton fault, a strand in the San Jacinto fault zone. The information developed during this study will be used in ...


29. SCAR (01-02) Epoch GPS Campaign in Greatwall Station [CNNADC_2001_2002_Changcheng_Station_Location_SensorName_SCAR]
Antarctic plate movement monitoring geodynamics studies of the Antarctic to the international academic circles for many years of concern about large-scale, long-period research project, belonging ...


30. SCAR (02-03) Epoch GPS Campaign [CNNADC_2002_2003_GreatWall_Station_Location_SensorName_SCAR]
Antarctic plate movement monitoring Geodynamics Research, the International Antarctic attention to the academic years of large-scale, long-period research project, belonging to the Antarctic environment ...


31. SCAR (03-04) Epoch GPS Campaign in Great Wall station [CNNADC_2003_2004_Changcheng_Station_Location_SensorName_SCAR]
Antarctic plate movement monitoring geodynamics research into the problems of the international Antarctic concern to scholars over the years large-scale, long-period research project belonging to ...


32. SCAR (04-05) Epoch GPS Campaign in Great Wall station [CNNADC_2004_2005_GreatWall_Station_Location_SensorName_SCAR]
GPS international joint testing by ICSU's Scientific Committee of Antarctic Geodesy and Geographic Information Working Group (SCAR-GSSG) was organized and implemented an international large-scale ...


33. AeroD, Canada [Canada_ACS_AeroD]
The AeroD web site is fully indexed and searchable allowing users to browse Canadian aeronautical publications. The supplements to the charts include the Canada Air Pilot (CAP), the Canada Flight ...


34. Canada Air Pilot [Canada_ACS_CanAirPilot]
The Canada Air Pilot (CAP) contains aeronautical information that is pertinent to the conduct of the arrival or departure portion of flight: instrument approach procedures, standard instrument ...


35. Canada Flight Supplement [Canada_ACS_CanFlightSupp]
The Canada Flight Supplement (CFS) is a joint civil/military publication. It contains information on Canadian and North Atlantic land aerodromes and heliports and is used for the planning ...


36. Canada Water Aerodrome Supplement [Canada_ACS_WaterAeroSupp]
The Canada Water Aerodrome Supplement (WAS) is a publication that provides tabulated, textual data and graphical information in support of Canadian VFR charts. The booklet contains an ...


37. Enroute Charts, Canada [Canada_ACS_EnrouteCharts]
The Enroute Low (LO) and High (HI) Altitude charts provide aeronautical information for instrument navigation in the low and high airway structure of the Canadian Domestic Airspace, the ...


38. Instrument Flight Rules Terminal Area Charts, Canada [Canada_ACS_TermAreaCharts]
Terminal Area Charts (TAC) depict aeronautical navigation information for areas around major airports at a larger scale. Vertical coverage is from the surface up to, but not including ...


39. Visual Flight Rules Navigation Charts, Canada [Canada_ACS_VNC]
The Visual Navigation Chart (VNC) is used by pilots on short to extended cross country flights at medium altitudes and at low to medium airspeeds. The chart displays aeronautical information ...


40. Visual Flight RulesTerminal Area Charts, Canada [Canada_ACS_VTA]
VFR Terminal Area charts (VTA) provide detailed information in, and around, major centres in Canada. The five charts of the series cover Toronto, Montreal, Vancouver, Winnipeg, with Calgary ...


41. World Aeronautical Charts, Canada [Canada_ACS_WAC]
World Aeronautical Charts (WAC) are used for flight planning and in-flight navigation by VFR pilots on extended cross country flight at medium to high altitudes and medium to high airspeed. ...


42. GPS Data from Scripps Institution of Oceanography (SIO), IGS Global Data Center [EARTH_CRUST_IGS_GPS_SCRIPPS1]
The International GPS Service for Geodynamics (IGS) supports researchers who use satellites in the Global Positioning System (GPS) for studies in geodynamics. GPS satellites transmit signals that ...


43. Japanese Antarctic Research Expedition Geoscience Survey-VLBI [NIPR_JARE_VLBI]
Japanese Antarctic Research Expedition (JARE-39) Geoscience Survey-VLBI


44. Japanese Antarctic Research Expedition (JARE) Geoscience Survey-GPS [NIPR_JARE_GEOSCIENCE]
Japanese Antarctic Research Expedition (JARE) Geoscience Survey (GPS)


45. Land Gravity Survey Data in Antarctica by JARE [NIPR-GEO-2]
The point survey data are contained in one-reel of 2400ft CCT. The point data were sent to BGI, France. The sea surface gravity data obtained onboard Shirase during 1982 - 2006 were sent to NGDC, ...


46. Federal 2-D Densification Network, North of Canada, Level 1 [Canada_GeoBase_Fe2DDenNetNCanL1]
Geodetic Survey Division (GSD) provides a horizontal 2-D (NAD83) network of interconnected control surveys with (approximately 13000) monuments spaced 20 to a maximum ...


47. Federal 3-D Densification Network, Canada, Level 1 [Canada_GeoBase_Fe3DDenNetCanL1]
The Federal 3-D Densification Network, Canada, Level 1 (FED3DC1) consists of (approximately 2000) monumented stations, positioned three-dimensionally with GPS to centimetre-level ...


48. Canadian Aeronautical Charting Database [Canada_ATS_CANAC]
Aeronautical Data Specialists maintain the Canadian Aeronautical Charting Database (CANAC) by processing Flight Information Amendments (FIAs) submitted by the Department of National Defence, ...


49. Canadian Base Network (CBN) of Monumented Survey Control [Canada_GeoSC_CdnBaseNtwkSurvCtl]
The Canadian Base Network (CBN) is a network of pillar monumented survey control points with forced-centering plates positioned three-dimensionally. They have GPS to centimetre-level ...


50. Canadian GPS Validation Networks (GPS Basenets) [Canada_GeoSC_CdnGPSValidatnNtwk]
The need for a "truth" against which to test Global Positioning System (GPS) accuracy and precision has led to the establishment of 15 GPS validation network sites across Canada, also ...


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