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Dependences of statistical characteristics of NmE on the month of the year at middle and low latitudes under daytime geomagnetically quiet conditions at low solar activity

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Abstract

Month-to-month changes in the statistical characteristics of the ionospheric E layer peak electron density NmE at medium and low geomagnetic latitudes under daytime geomagnetically quiet conditions are investigated. Critical frequencies of the ionospheric E layer measured by the middle latitude ionosonde Boulder and low latitude ionosondes Huancayo and Jicamarca at low solar activity from 1957 to 2015 have been used in the conducted statistical analysis. The mathematical expectation of NmE, standard deviation of NmE from the expectation of NmE, and NmE variation coefficient have been calculated for each month of the year. The months of the formation of extrema of these statistical parameters of NmE were found.

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Authors and Affiliations

  1. Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Russian Academy of Sciences, Troitsk, Russia

    A. V. Pavlov & N. M. Pavlova

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  1. A. V. Pavlov
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  2. N. M. Pavlova
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Correspondence to A. V. Pavlov.

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Original Russian Text © A.V. Pavlov, N.M. Pavlova, 2016, published in Geomagnetizm i Aeronomiya, 2016, Vol. 56, No. 4, pp. 431–436.

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Pavlov, A.V., Pavlova, N.M. Dependences of statistical characteristics of NmE on the month of the year at middle and low latitudes under daytime geomagnetically quiet conditions at low solar activity. Geomagn. Aeron. 56, 401–406 (2016). https://doi.org/10.1134/S0016793216040162

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  • DOI: https://doi.org/10.1134/S0016793216040162

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