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

ISSN Druckformat: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v67.i5.30
pages 413-435

Polar Non-Uniformity of Ionosphere Related to Solar Proton Events

L. M. Rabinowicz
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St.; and Institute of Radio Astronomy, National Academy of Sciences of Ukraine 4, Chervonopraporna St., Kharkov 61002, Ukraine
A. V. Shvets
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
A. P. Nickolaenko
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine

ABSTRAKT

We perform the formal analysis and present the numerical modeling data showing that a polar non-uniformity of the lower ionosphere arises during powerful Solar proton events (SPE), which is able to noticeably change the spectra of the global electromagnetic (Schumann) resonance. Modifications are discussed of resonance spectra, their dependence on the source and observer position. Computational data are compared with observations performed in 2000 − 2003. An interpretation is given for the experimental data. Polar-uniformity parameter is evaluated from the Schumann resonance.


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