Ivanov V, Zadorozhniy A, Myakishev I. BEATS IN THE HELICOPTER RADIO CHANNEL OF ONE-BAND SIGNAL. Proceedings of National Aviation University [Internet]. 2019 May 17 [cited 2024 May 3];78(1):50-3. Available from: https://jrnl.nau.edu.ua/index.php/visnik/article/view/13654