Abstract
Simple analytical formulas are derived to estimate the parameters of the main maximum in the surface distribution of the field strength for the low-frequency source located in the Earth ionosphere. The dependences of the relative calculation errors on the source frequency and position are presented. The resulting formulas are applied for loop antennas and for the wave propagation in geomagnetic waveguides (ducts).
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Original Russian Text © A.V. Moshkov, 2009, published in Radiotekhnika i Elektronika, 2009, Vol. 54, No. 12, pp. 1436–1442.
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Moshkov, A.V. Estimation of the field strength of a low-frequency ionospheric source in the vicinity of the main maximum of distribution on the Earth surface. J. Commun. Technol. Electron. 54, 1360–1365 (2009). https://doi.org/10.1134/S1064226909120043
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DOI: https://doi.org/10.1134/S1064226909120043