Edmund K. Miller (2021) “Using a Radial, Switchable, Sector Ground Screen to Produce Azimuthal Directivity for a Monopole Antenna”, Applied Computational Electromagnetics Society Journal (ACES), 31(11), pp. 1293–1296. Available at: https://journals.riverpublishers.com/index.php/ACES/article/view/9827 (Accessed: 13 May 2026).