00940naa#a2200241#i#450# EN\INFRA-M\bibl\33225 20241103153025.7 2712-9640 20200922b2020####ek#y0engy0150####ca RUS RU Analyzing existing applied models of the ionosphere to calculate radio wave propagation and a possibility of their use for radar-tracking systems. II. Domestic models Journal article Moscow INFRA-M Academic Publishing LLC. 2020 8 с. Journal article local Геология. Геологические и геофизические науки. 55 RUS Alpatov Viktor Vladimirovich Bekker Susanna Zeytullaevna Kozlov Stanislav Ivanovich Lyakhov Andrey Nikolaevich Yakim Valentin Vasilyevich Yakubovsky Sergey Vladimirovich zh-szf.ru