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The urgency of the problem of studying the refractive properties of the troposphere is determined by the increasing rate of use of radio meteorological parameters in the design and operation of GLONASS-GPS and GSM radio-electronic systems in various physical and climatic regions of the Earth, in particular in eastern Russia. Specialists are faced with an urgent need to study the laws governing the propagation of VHF-UHF radio waves taking into account the influence of all layers of the atmosphere as a medium with a variable refractive index. The article presents the calculation of the refractive index N based on meteorological data of the atmospheric-soil measuring complex, located on the measuring station in the Eravninsky district of the Republic of Buryatia. The dependences of the refractive index on atmospheric pressure, water vapor elasticity, and absolute air temperature are established.

Daily variations of the refractive index in the south of the Vitim plateau in different seasons of the year