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TEC plot for the continental USA, made on 2013-11-24. Total electron content (TEC) is an important descriptive quantity for the ionosphere of the Earth. TEC is the total number of electrons integrated between two points, along a tube of one meter squared cross section, i.e., the electron columnar number density.
The model can represent variation of these quantities with altitude, latitude, longitude, date, and time of day. It can also make use of solar, ionospheric and geomagnetic indices to refine the model. Vertical total electron content (TEC) may be derived. (A snapshot of model predictions is shown in the latitude vs. longitude map above). [6]
The total electron content (TEC) is used to measure these densities, and is a key variable used in data to record and compare the intensities of ionospheric storms. Ionospheric storm occurrences are strongly linked with sudden increases of solar wind speed, where solar wind brings energised electrons into the upper atmosphere of Earth and ...
IRI is updated yearly. IRI is more accurate in describing the variation of the electron density from bottom of the ionosphere to the altitude of maximum density than in describing the total electron content (TEC). Since 1999 this model is "International Standard" for the terrestrial ionosphere (standard TS16457).
U.S. oil producer Chevron used the term "Gulf of America" instead of Gulf of Mexico in its fourth-quarter press release on Friday, a sign of corporate America beginning to implement U.S. President ...
Total electron content, a descriptive quantity of the Earth's ionosphere; Triethylcholine, a drug; TEC, a Russian abbreviation for thermal power stations in Russia and Soviet Union with combined heat and power plant
Latino Republican lawmakers who approve of President Donald Trump are toeing a fine line between supporting his immigration crackdown and trying to convince their immigrant constituents that they ...
Despite the persistent rise in living costs due to inflation over the past two years, certain goods and services have become more affordable, offering a reprieve for consumers. While inflation has...