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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v63.i1.50
pages 63-74

The Ionospheric D-Region over Kharkiv during the 14 - 24 April 2002 Magnetic Storm

A. M. Gokov
S. Kuznets Kharkiv National University of Economics, Ministry of Education and Science of Ukraine, 9a, Nauka Ave., Kharkiv 61166, Ukraine; V. Karazin Kharkiv National University, 4, Svobody Sq., Kharkiv 61022, Ukraine
O. F. Tyrnov
V. Karazin Kharkiv National University, 4, Svobody Sq., Kharkiv 61022, Ukraine

RESUMO

Using a partial reflection technique, the electron density, N, changes in the middle latitude ionospheric D-region during the 14−24 April 2002 magnetic storm were experimentally investigated. During the solar proton events, spe, increase by more than 50−100% in the electron density in the lower D-region of the ionosphere (∼70−80 km) was observed during several tens of minutes. Estimations of the ionization rate were made. On the basis of the experimental data of electron density changes over the proton precipitation periods, corresponding fluxes were estimated, being ∼106−107 m−2sec−1


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