The radio signal radiated and propagated in a plasma has two modes of the extraordinary component, x and z. When the radio sounding is performed from altitudes more than 500 km, the z component ceases to exist at altitudes greater than the altitude of the F2-layer maximum. However, the z component reaches these altitudes during sounding from the vicinity of the main maximum of the electron density. We study the behavior of the z component when the signal source is located at different altitudes in the ionosphere and also consider the capabilities and method of calculation of the plasma-frequency altitude profile by the z-component trace in ionograms.
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J. A. Ratcliffe, Magneto-Ionic Theory and Its Applications to the Ionosphere, Cambridge Univ. Press, Cambridge (1962).
URSI Handbook of Ionogram Interpretation and Reduction, Elsevier, Amsterdam (1972).
N.P. Danilkin and N.G.Kotonaeva, Radiophys. Quantum Electron., 45, No. 6, 431 (2002).
N.P. Danilkin and N.G.Kotonaeva, Radiophys. Quantum Electron., 45, No. 5, 335 (2002).
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 52, Nos. 5–6, pp. 390–399, May–June 2009.
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Kotonaeva, N.G. Z component of a magnetically split signal used for ionospheric radio sounding from the vicinity of the F2-layer maximum. Radiophys Quantum El 52, 354 (2009). https://doi.org/10.1007/s11141-009-9138-7
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DOI: https://doi.org/10.1007/s11141-009-9138-7