Portable Wideband Directional Antenna Scheme with Semicircular Corrugated Reflector for Digital Television Reception. - Bancha Luadang; Rerkchai Pukraksa; Pisit Janpangngern; Khanet Pookkapund; Sitthichai Dentri; Sompol Kosulvit; Chuwong Phongcharoenpanich (Sensors, 2022)