Palreddy, S. ., A. I. . Zaghloul, and R. . Cheung. “Study of the Effects of the Back Cavity on a Broadband Sinuous Antenna and an Optimized Loaded Back Cavity”. Applied Computational Electromagnetics Society Journal (ACES), vol. 26, no. 8, May 2022, pp. 660-6, https://journals.riverpublishers.com/index.php/ACES/article/view/15421.