Ionospheric absorption of HF radio wave in vertical propagation

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dc.authorscopusid25923643700
dc.authorscopusid7005502545
dc.authorscopusid18036586500
dc.contributor.authorUnal I.
dc.contributor.authorOzcan O.
dc.contributor.authorCanyilmaz M.
dc.date.accessioned2024-08-04T20:00:44Z
dc.date.available2024-08-04T20:00:44Z
dc.date.issued2007
dc.departmentİnönü Üniversitesien_US
dc.description.abstractIn this study, absorption of high frequency radio waves in the ionospheric plasma have been investigated. The wave equation was obtained in terms of ionospheric parameters. The numerical values of the absorption have been calculated for 4 MHz, 4.5 MHz and 5 MHz waves. The necessary parameters for calculation have been obtained using an International Reference Ionosphere (IRI) Model. The altitudinal, diurnal, seasonal and the variations of absorption with frequency have been examined. The calculations show that the highest absorption occurs in the D-region. The absorption is higher in summer than in other seasons and is maximum at daylight. In addition, absorption decreases with the increase of frequency. © Shiraz University.en_US
dc.identifier.endpage419en_US
dc.identifier.issn1028-6276
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-57549116406en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage413en_US
dc.identifier.urihttps://hdl.handle.net/11616/90941
dc.identifier.volume31en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherShiraz Universityen_US
dc.relation.ispartofIranian Journal of Science and Technology, Transaction A: Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAbsorptionen_US
dc.subjectHF waveen_US
dc.subjectIonosphereen_US
dc.titleIonospheric absorption of HF radio wave in vertical propagationen_US
dc.typeArticleen_US

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