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51. Ionospheric absorption derived by riometers measurements at 30/38.2 MHz. [ionospheric_absorption]
Cosmic noise is received at 30/38.2 MHz by a solid state riometer and dual dipole antenna at Terra Nova Bay, Italian Antarctic Base. These kind of measurements are useful to determine the ionospheric ...


52. Ionospheric vertical sounding [Ionospheric_vertical_sounding]
Ionospheric observations, using radio techniques, are an important part of the aeronomic studies that may be carried out in polar zones where the peculiarity of the physical phenomena, due to the ...


53. RIOMETER DATA, IONOSPHERIC ABSORPTION [RIO-01]
Cosmic noise is received at 38.2 MHz by a solid state Riometer and dual dipole antenna at Terra Nova Bay, Italian Antarctic Base. These kind of measurements are useful to determine the ionospheric ...


54. Vulcanism, Seismicity, Magnetism and Geodynamics of the South Shetland Island [CNDA-ESP_ANT95-0094_PAD]   CHILD METADATA
In English: The project for the study of Vulcanism, Seismicity, Magnetism and geodynamics of the South Shetland Island: Seismic station at BAE (Livingston) contained three coordinated projects: -CNDA-ESP_ANT95-0094-CO1, ...


55. Vulcanism, Seismicity, Magnetism and Geodynamics of the South Shetland Island: Magnetic station at Spanish Antarctic station (Livingston); Geomagnetic and Ionospheric studies. [CNDA-ESP_ANT95-0094-CO3]   PARENT METADATA
In English: The main scientific objectives of the campaign were: To create a data base indispensable to the reduction of geomagnetic surveys. To determine the geologic structures these surveys require ...


56. Investigations of Space Weather and the Mesosphere using the TIGER Radar [ASAC_1246]
The Tasman International Geospace Environment Radar (TIGER) is an over-the-horizon radar that locates ionospheric structures in the region between Tasmania and Antarctica, measuring their velocities. ...


57. Mapping the GPS total electron content and scintillation activity at southern higher latitudes during high sunspot numbers [ASAC_1121]
Metadata record for data from ASAC Project 1121 See the link below for public details on this project. ---- Public Summary from Project ---- Improved knowledge on the state of the ionosphere in the ...


58. O(1S) Effective Lifetimes [ASAC_43]
Metadata record for data from ASAC Project 43 See the link below for public details on this project. From the abstract of the referenced paper: Intensity time-series with a 0.05 s time resolution ...


59. SHIRE Imaging Riometer, Davis, Antarctica [Riometer_SHIRE]
Mapping 38.2 MHz cosmic noise/particle precipitation in [2].7 x 7 beams 12.8 deg, ~200 x 200km at 90km altitude. A Southern Hemisphere Imaging Riometer Experiment. A joint project of the Australian ...


60. Building the Digital Earth [GEO_CORNEL_DIGITALEARTH]
The Cornell University's Geoscience Information System Project, started in 1995, is a major initiative that targets to develop a comprehensive Geoscience Information System for the geosciences. The ...


61. Advanced Composition Explorer (ACE) Real-Time Solar Wind Data from NOAA/SEC [ACE_RTSW]
Advanced Composition Explorer (ACE) Real-Time Solar Wind (RTSW) Data from NOAA's Space Environment Center (SEC) provides up to an hour's advance warning of unusual solar activity, such ...


62. NOAA Space Environment Laboratory On-Line Solar and Geophysical Data [SEL-01]
The NOAA Space Environment Laboratory collects, evaluates, and distributes data relating to space plasma events, solar activity, and cosmic ray particle activity on a nearly real-time basis. Space ...


63. Advanced Composition Explorer (ACE) Electron, Proton, and Alpha Monitor (EPAM) Level 2 Data [ACE_EPAM_LEVEL2]
The Electron, Proton, and Alpha Monitor (EPAM) is composed of five telescope apertures of three different types. Two Low Energy Foil Spectrometers (LEFS) measure the flux and direction ...


64. Data set of Imaging Riometer at Zhongshan Station, Antarctica, Year 2002 [CNNADC_S2002_S_IR_ZS]
The Imaging Riometer is to measure cosmic noise absorption caused by ionosphere with 8 by 8 antennas. It can monitor cosmic noise absorption at ionosphere D-region with spatial dimension of 300×300 ...


65. Satellite Anomalies Due to Environment [gov.noaa.ngdc.sem.sat_anom_g00937]
These events range from minor operational problems to permanent spacecraft failures. Australia, Canada, Germany, India, Japan, United Kingdom, and the United States have contributed data. This data ...


66. EQUATOR-S: Earth's Equatorial Magnetosphere Data [EQUATOR-S]
EQUATOR-S is a low-cost mission designed to study the Earth's equatorial magnetosphere out to distances of 67000 km and it forms an element of the closely-coordinated ...


67. Calculations of the Total Number of Electrons Along a Ray Path Extending from the Transmitter to the Receiver [gov.noaa.ngdc.stp.ionosphere.G00566]
Ionospheric Total Electron Content (TEC) is the total number of electrons in a column of unit cross section extending from the transmitter to the receiver. TEC is calculated from observations of the ...


68. Ionosonde Stations [gov.noaa.ngdc.stp.ionosonde.G10145]
Ionograms are recorded tracings of reflected high frequency radio pulses generated by an ionosonde. Unique relationships exist between the sounding frequency and the ionization densities which can ...


69. Ionospheric Digital Database [gov.noaa.ngdc.stp.ionosonde.G01257]
The ionosphere is that part of the Earth's atmosphere that results mainly from the photo ionization of the upper atmosphere. Traditionally, the following ionospheric regions and their approximate ...


70. Ionospheric Oblique Incidence Soundings by Satellites [gov.noaa.ngdc.stp.ionosphere.G00563]
The oblique incidence sweep-frequency ionospheric sounding technique uses the same principle of operation as the vertical incidence sounder. The primary difference is that the transmitter and receiver ...


71. Photographic Records Showing the Variations of the Virtual Height of Reflection as a Function of the Radio Frequency [gov.noaa.ngdc.stp.ionosonde.G00551]
The standard (analog) ionosonde produces photographic records known as ionograms, which show the variations of the virtual height of reflection as a function of the radio frequency. The frequency ...


72. Solar Geophysical Data (SGD) Reports (1955-2009) [gov.noaa.ngdc.stp.solar.solar_geophysical_data]
Solar-Geophysical Data (SGD) reports were a comprehensive compilation of many different kinds of observational data of the sun's activity and its effects on the Earth. Data from the worldwide network ...


73. Space Environment Modeling [gov.noaa.ngdc.stp.swx.space_environment_modeling]
Collection includes presentation materials and outputs from operational space environment models produced by the NOAA Space Weather Prediction Center (SWPC) and other related model datasets. Included ...


74. US-Total Electron Content Product (USTEC) [gov.noaa.ngdc.stp.ionosphere.G10009]
The US Total Electron Content (US-TEC) product is designed to specify TEC over the Continental US (CONUS) in near real-time. The product uses a Kalman Filter data assimilation model, described in ...


75. CLUSTER-II Solar-Terrestrial Data [CLUSTER-II]
Cluster II is part of an international collaboration to investigate the physical connection between the Sun and Earth. Flying in a tetrahedral (triangular pyramid) formation, the four spacecraft collect ...


76. Advanced Composition Explorer (ACE) Particle Composition and Flux Browse Data [ACE_PARTCLE_FLUXES]
The Advanced Composition Explorer (ACE) is an Explorer mission that is being managed by the Office of Space Science Mission and Payload Development Division of the National Aeronautics ...


77. Advanced Composition Explorer (ACE) Solar Energetic Particle Charge Analyser (SEPICA) Level 2 Data [ACE_SEPICA_LEVEL2]
The Solar Energetic Particle Charge Analyser (SEPICA) is used to determine the charge state distribution of energetic particle distributions. ...


78. Advanced Composition Explorer (ACE) Solar Isotope Spectrometer (SIS) Level 2 Data [ACE_SIS_LEVEL2]
The Solar Isotope Spectrometer (SIS) is designed to provide high resolution measurements of the isotopic composition of energetic nuclei from He to Ni (Z=2 to 28) over the energy ...


79. Advanced Composition Explorer (ACE) Solar Wind Electron, Proton, and Alpha Monitor (SWEPAM) Level 2 Data [ACE_SWEPAM_LEVEL2]
The Solar Wind Electron, Proton, and Alpha Monitor (SWEPAM) measures the solar wind plasma electron and ion fluxes (rates of particle flow) as functions of direction and energy. These ...


80. Advanced Composition Explorer (ACE) Solar Wind Ion Composition Spectrometer (SWICS) and Solar Wind Ion Mass Spectrometer (SWIMS) Level 2 Data [ACE_SWICS_SWIMS_LEVEL2]
The Solar Wind Ion Composition Spectrometer (SWICS) and the Solar Wind Ion Mass Spectrometer (SWIMS) on ACE are instruments optimized for measurements of the chemical and isotopic composition ...


81. Advanced Composition Explorer (ACE) Ultra Low Energy Isotope Spectrometer (ULEIS) Level 2 Data [ACE_ULEIS_LEVEL2]
The Ultra Low Energy Isotope Spectrometer (ULEIS) measures ion fluxes over the charge range from H through Ni from about 20 keV/nucleon to 10 MeV/nucleon, thus covering both suprathermal ...


82. Geostationary Earth Radiation Budget experiment and data [GERB_OMA_BE]
The Institut Royal Meteorologique de Belgique ( RMIB ) and its On Line Short-term Service ( ROLSS ) provides near real-time Level 2.0 (radiances and fluxes) data from the GERB instruments. This ...


83. HMO-PSWS GPS Ionospheric Scintillation and Total Electron Content Monitoring on Marion Island, Gough Island, and at SANAE IV, Antarctica [HMO-PSWS_GISTM_MAR_GOG_SNA]
Ionospheric Scintillation observations at GPS (L-band) frequencies, as measured with the Novatel GSV4004B GPS Ionospheric and Total Electron Content Monitor (GISTM). The data format is proprietary ...


84. Digisonde Portable Sounder 4 Data at Zhongshan Station, Antarctica, Year 1998 [CNNADC_S1998_S_DPS4_ZS]
The DPS-4, developed by the University of Masachusetts at Lowell Center for Atmospheric Research (ULCAR), is a pulse HF Doppler radar controlled by a computer. It can measure the amplitude, phase, ...


85. Meridian Scanning Photometer Data at Zhongshan Station, Antarctica, Year 2001 [CNNADC_S2001_S_MSP_ZS]
The Auroral Meridian Scanning Photometer is to measure the absolute intensity of aurora brightness along the geomagnetic meridian line. At present the MSP records three wavelengths of auroral emissions ...


86. Research in Geomagnetism from Direccion Nacional del Antartico [JCADM_DNA_CDA_GEOMAG]
Geomagnetic storm activity is being monitored using high sensitivity magnetometers at the Belgrano and San Martin Antarctic Stations. Geomagnetic pulsations are digitally filtered and recorded. ...


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