• Thumbnail for Total electron content
    Total electron content (TEC) is an important descriptive quantity for the ionosphere of the Earth. TEC is the total number of electrons integrated between...
    6 KB (696 words) - 20:36, 9 July 2024
  • Thumbnail for Ionosphere
    its successors) enabled – for the first time – the measurement of total electron content (TEC) variation along a radio beam from geostationary orbit to an...
    53 KB (6,638 words) - 05:16, 12 August 2024
  • Thumbnail for Vanguard 1
    engineering and tracking data, but were also used to determine the total electron content between the satellite and the ground stations. A backup version...
    15 KB (1,576 words) - 18:31, 25 August 2024
  • Area density (redirect from Total column)
    the area figure is nominal, being the square of the height. The total electron content in the ionosphere is a quantity of type columnar number density...
    8 KB (1,066 words) - 08:06, 2 November 2023
  • Thumbnail for Ionospheric pierce point
    frequency. The principal source of the dispersion comes from the total electron content (TEC) in the ionosphere, along the line of sight from the satellite...
    2 KB (211 words) - 11:29, 3 March 2024
  • Thumbnail for Ionospheric storm
    positive storms have a high density of electrons and negative storms contain a lower density. The total electron content (TEC) is used to measure these densities...
    25 KB (3,229 words) - 14:49, 27 February 2024
  • Thumbnail for Ionosonde
    0 MHz. Duga radar Ionosonde Juliusruh Radio propagation beacon Total electron content Trevor Wadley#Ionosonde F.C. Judd, G2BCX (1987). Radio Wave Propagation...
    7 KB (887 words) - 12:56, 14 April 2023
  • Regression Inductive Conformal Predictor and Its Application to Total Electron Content Prediction". In Diamantaras, Konstantinos; Duch, Wlodek; Iliadis...
    20 KB (2,257 words) - 05:56, 29 August 2024
  • Exceeds Condition, a value used in computer hard disk evaluation Total electron content, a descriptive quantity of the Earth's ionosphere Triethylcholine...
    3 KB (382 words) - 07:50, 27 June 2024
  • Thumbnail for International Reference Ionosphere
    ionospheric and geomagnetic indices to refine the model. Vertical total electron content (TEC) may be derived. (A snapshot of model predictions is shown...
    5 KB (637 words) - 13:42, 1 November 2023
  • Thumbnail for Explorer 22
    enhanced geodetic measurements of the Earth as well as data on the total electron content in the Earth's atmosphere and in the satellite's immediate vicinity...
    14 KB (1,522 words) - 08:33, 24 June 2024
  • Thumbnail for Error analysis for the Global Positioning System
    depends on its frequency. It arises from ionized atmosphere (see Total electron content). This phenomenon is known as dispersion and can be calculated from...
    37 KB (5,015 words) - 13:06, 27 August 2024
  • Bengaluru and Delhi. As a part of the programme, a network of eighteen total electron content (TEC) monitoring stations were installed at various locations in...
    24 KB (2,664 words) - 13:06, 17 August 2024
  • Thumbnail for Vanguard TV-3
    telemetry data, but the transmitters were also used to determine the total electron content between the satellite and the ground stations. Other instruments...
    15 KB (1,619 words) - 21:18, 3 August 2024
  • Thumbnail for Dispersion (optics)
    measure (DM) is the column density of free electrons (total electron content) – i.e. the number density of electrons ne integrated along the path traveled...
    60 KB (8,461 words) - 14:55, 19 August 2024
  • Masci, F. (2017). A statistical study of global ionospheric map total electron content changes prior to occurrences of M≥ 6.0 earthquakes during 2000–2014"...
    197 KB (22,931 words) - 23:18, 28 July 2024
  • Ionospheric delay is a well-defined function of frequency and the total electron content (TEC) along the path, so measuring the arrival-time difference between...
    14 KB (2,221 words) - 18:00, 2 September 2023
  • Thumbnail for Explorer 27
    measurements on a worldwide basis. The program will determine the total electron content of a vertical cross-section of the ionosphere located between the...
    13 KB (1,341 words) - 01:19, 2 May 2023
  • Total Electron Content maps near to real time (AzTEC). TEC maps can be used in real time to estimate the effect of the ionospheric electron content between...
    4 KB (427 words) - 17:39, 13 July 2024
  • Thumbnail for Space weather
    energetic solar flares. Total Electron Content (TEC) is a measure of the ionosphere over a given location. TEC is the number of electrons in a column one meter...
    64 KB (7,946 words) - 13:20, 23 August 2024
  • Thumbnail for Electron diffraction
    Electron diffraction is a generic term for phenomena associated with changes in the direction of electron beams due to elastic interactions with atoms...
    141 KB (15,534 words) - 19:06, 30 July 2024
  • Thumbnail for Explorer S-66
    Its primary objective was to obtain worldwide observations of total electron content between the spacecraft and the Earth. The spacecraft was an octagonal...
    3 KB (207 words) - 11:33, 22 June 2024
  • Thumbnail for ISEE-2
    measured. Data were accumulated in up to 32 sectors per spin. The total electron content between the mother and daughter was obtained by measuring the phase...
    19 KB (2,372 words) - 13:32, 30 April 2023
  • GPS signals were detecting variations in the levels of the TEC (total electron content) of the ionosphere in the hour preceding an earthquake. The "Detection...
    31 KB (3,340 words) - 18:46, 3 August 2024
  • Thumbnail for Electron paramagnetic resonance
    Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) spectroscopy is a method for studying materials that have unpaired electrons. The...
    48 KB (6,597 words) - 05:32, 13 July 2024
  • being pursued with the Space Forecast Center to use ARIES data for total electron content measures on a global scale, and with the meteorology/global environment...
    73 KB (9,500 words) - 05:48, 3 June 2024
  • Thumbnail for Didier Sornette
    include: (Satellite Component) 1. Thermal Infrared (TIR) anomalies 2. Total Electron Content (TEC) anomalies 3. Ionospheric tomography 4. Ionospheric electric...
    60 KB (8,347 words) - 02:08, 24 March 2024
  • Thumbnail for Vanguard TV-3BU
    for engineering and tracking data, but were also to determine the total electron content between the spacecraft and ground stations. Vanguard also carried...
    11 KB (1,330 words) - 08:56, 26 April 2024
  • Donald D. (2019-11-15). "Geometric determination of ionospheric total electron content from dual frequency radar sounding measurements". Planetary and...
    67 KB (6,872 words) - 02:53, 26 August 2024
  • Thumbnail for ISEE-1
    This experiment measured the plasma electron density near the mother satellite and also the total electron content between the mother (ISEE-1) and the...
    30 KB (3,936 words) - 08:38, 25 April 2024