Дубровка, Ф.Ф., and Д.С. Долженко. “Ultra Wideband Reflector Antenna Log-Periodic Feed With Operating Frequency Range 1–20 GHz.”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia0, no. 42 (May 15, 2010): 54-59. Accessed May 5, 2024. https://radap.kpi.ua/radiotechnique/article/view/598.