Physical principles of forecasting the environmental electromagnetic background noise (EMBN) characteristics in the extra low frequency (ELF) range are suggested in the work based on an analysis of the meteorological conditions. Dependences of the spectral EMBN characteristics in the ELF range on the meteorological parameters such as the atmospheric pressure, ground wind velocity, temperature, and relative air humidity are obtained.

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This study is devoted to the development of new techniques for the research of the ionosphere state. This paper describes the new approaches to development and implementation of the methods for remote radio sounding of the ionosphere on the basis of the world technological advances and the most innovative methods of data analysis, applied at Ionospheric Observatory of Tomsk State University using data processing software Dynasonde 21.Keywords: monitoring of the Earth's ionosphere, a method of vertical radio sounding of the ionosphere, a digital ionosonde.

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