00940naa#a2200241#i#450# EN\INFRA-M\bibl\39467 20241121233700.4 2500-0535 20200922b2020####ek#y0engy0150####ca ENG 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 6 с. Journal article local Геология. Геологические и геофизические науки. 55 ENG Alpatov Viktor Vladimirovich Bekker Susanna Zeytullaevna Kozlov Stanislav Ivanovich Lyakhov Andrey Nikolaevich Yakim Valentin Vasilyevich Yakubovsky Sergey Vladimirovich zh-szf.ru