Regional features of refraction index changes in Buryatia, Yakutia and Mongolia

An analysis of the influence of climate on the propagation of microwaves in Transbaikalia, associated with the characterization of the refractive properties of the troposphere between 1962 and 2019, is carried out. The annual variation of the refractive index N for 2019 was calculated using data from meteorological stations in Transbaikalia, Yakutia, and Mongolia. The comparison of the behavior of the refractive index of 2019 with the data of the monograph by Gomboev and Tsydypov was carried out. It was found that global climate changes did not have a significant impact on the radio meteorological situation in the region. The role of annual changes in temperature, humidity and air pressure in changes in the refractive index of the atmosphere is shown.