00738naa#a2200193#i#450# EN\\bibl\56935 20240502220831.4 2072-9502 20230127b2023####ek#y0engy0150####ca RU Modernization of aeronautical radio communication system for increasing radio channel immunity Journal article Astrakhan Astrakhan State Technical University 2023 7 с. Journal article local Изменение силы сигнала вследствие замираний (фединга). 621.391.812.3 Pishchin Oleg Nickolaevich Voronina Kseniya Pavlovna Maltseva Natalia Sergeevna vestnik.astu.org