Data Availability Statement The authors have nothing to report. References 1, , and , Radar Cross Section, 2nd ed. The Institution of Engineering and Technology, 2004. https://digital-library.theiet.org/doi/abs/10.1049/SBRA026E. 2, “Relationships Between Antennas as Scatterers and as Radiators,” Proceedings of the IEEE 77, no. 5 (1989): 659–662. 3, , , and , “Application of Metamaterials to Ultra-Thin Radar-Absorbing Material Design,” Electronics Letters 41 (2005): 936–937.