Possibilities of Estimating F2 Layer Peak Plasma Frequency Using HF Radiation from High Apogee Satellites over Arctic Region

Based on the results of mathematical modeling, we consider the possibility to estimate the plasma frequency F2 layer maximum of the polar ionosphere (critical frequency, foF2) using frequency-sweeping radiation from a highly elliptical spacecraft orbit in the Arctic zone. Our modeling concerning the...

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Autores principales:	Igor Krasheninnikov, Givi Givishvili
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	ionosphere transionospheric radio sensing transionogram cut-off frequency critical frequency ionospheric layers Science Q
Acceso en línea:	https://doaj.org/article/411cd1e16b0641428a114428810144ac
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spelling	oai:doaj.org-article:411cd1e16b0641428a114428810144ac2021-11-11T18:50:36ZPossibilities of Estimating F2 Layer Peak Plasma Frequency Using HF Radiation from High Apogee Satellites over Arctic Region10.3390/rs132142252072-4292https://doaj.org/article/411cd1e16b0641428a114428810144ac2021-10-01T00:00:00Zhttps://www.mdpi.com/2072-4292/13/21/4225https://doaj.org/toc/2072-4292Based on the results of mathematical modeling, we consider the possibility to estimate the plasma frequency F2 layer maximum of the polar ionosphere (critical frequency, foF2) using frequency-sweeping radiation from a highly elliptical spacecraft orbit in the Arctic zone. Our modeling concerning the energy problem of radio sensing consisted of analyzing wave field parameters, received field strength, and SNR on two radio paths with the distances 1900 and 2500 km along the earth’s surface, with the satellite height varying from 10,000 to 30,000 km. Radio path orientations were selected to be close to the classical limit cases of radio wave propagation in the anisotropic ionospheric plasma: quasi-longitudinal approximation and, to a large extent, the quasi-transversal one for the quiet midday and midnight conditions. As a result of these simulations and following specific spacecraft conditions, working with an optimal probing signal was proposed for the appropriate emission power for the onboard transmitter. In the inverse problem of radio sounding of an ionized media, common mathematical inaccuracy in foF2 calculated from the transionogram, frequency dependence of the probing signals magneto-ionic group delay, was estimated. Considering and founding a possible realization of the method, physical prerequisites are discussed based on the experimental data of radio waves passing the 16,000 km long radio path for Moscow–Antarctica (UAS Vernadsky).Igor KrasheninnikovGivi GivishviliMDPI AGarticleionospheretransionospheric radio sensingtransionogramcut-off frequencycritical frequencyionospheric layersScienceQENRemote Sensing, Vol 13, Iss 4225, p 4225 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ionosphere transionospheric radio sensing transionogram cut-off frequency critical frequency ionospheric layers Science Q
spellingShingle	ionosphere transionospheric radio sensing transionogram cut-off frequency critical frequency ionospheric layers Science Q Igor Krasheninnikov Givi Givishvili Possibilities of Estimating F2 Layer Peak Plasma Frequency Using HF Radiation from High Apogee Satellites over Arctic Region
description	Based on the results of mathematical modeling, we consider the possibility to estimate the plasma frequency F2 layer maximum of the polar ionosphere (critical frequency, foF2) using frequency-sweeping radiation from a highly elliptical spacecraft orbit in the Arctic zone. Our modeling concerning the energy problem of radio sensing consisted of analyzing wave field parameters, received field strength, and SNR on two radio paths with the distances 1900 and 2500 km along the earth’s surface, with the satellite height varying from 10,000 to 30,000 km. Radio path orientations were selected to be close to the classical limit cases of radio wave propagation in the anisotropic ionospheric plasma: quasi-longitudinal approximation and, to a large extent, the quasi-transversal one for the quiet midday and midnight conditions. As a result of these simulations and following specific spacecraft conditions, working with an optimal probing signal was proposed for the appropriate emission power for the onboard transmitter. In the inverse problem of radio sounding of an ionized media, common mathematical inaccuracy in foF2 calculated from the transionogram, frequency dependence of the probing signals magneto-ionic group delay, was estimated. Considering and founding a possible realization of the method, physical prerequisites are discussed based on the experimental data of radio waves passing the 16,000 km long radio path for Moscow–Antarctica (UAS Vernadsky).
format	article
author	Igor Krasheninnikov Givi Givishvili
author_facet	Igor Krasheninnikov Givi Givishvili
author_sort	Igor Krasheninnikov
title	Possibilities of Estimating F2 Layer Peak Plasma Frequency Using HF Radiation from High Apogee Satellites over Arctic Region
title_short	Possibilities of Estimating F2 Layer Peak Plasma Frequency Using HF Radiation from High Apogee Satellites over Arctic Region
title_full	Possibilities of Estimating F2 Layer Peak Plasma Frequency Using HF Radiation from High Apogee Satellites over Arctic Region
title_fullStr	Possibilities of Estimating F2 Layer Peak Plasma Frequency Using HF Radiation from High Apogee Satellites over Arctic Region
title_full_unstemmed	Possibilities of Estimating F2 Layer Peak Plasma Frequency Using HF Radiation from High Apogee Satellites over Arctic Region
title_sort	possibilities of estimating f2 layer peak plasma frequency using hf radiation from high apogee satellites over arctic region
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/411cd1e16b0641428a114428810144ac
work_keys_str_mv	AT igorkrasheninnikov possibilitiesofestimatingf2layerpeakplasmafrequencyusinghfradiationfromhighapogeesatellitesoverarcticregion AT givigivishvili possibilitiesofestimatingf2layerpeakplasmafrequencyusinghfradiationfromhighapogeesatellitesoverarcticregion
_version_	1718431697431691264

Possibilities of Estimating F2 Layer Peak Plasma Frequency Using HF Radiation from High Apogee Satellites over Arctic Region

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