Pikulik I, Kashcheyev S, Galushko V, Yampolsky Y. HF-receiver Equipment for Frequency-and-Angular Sounding of the Ionosphere in Antarctica. uaj [Internet]. 2003Dec.15 [cited 2024Nov.23];(1):61-9. Available from: http://uaj.uac.gov.ua/index.php/uaj/article/view/626