A dual-band unidirectional antenna using a hemispherical monopole with circular reflector - Kanawat Nuangwongsa; Chuwong Phongcharoenpanich; Sompol Kosulvit (My University, 2011)
Keywords: Stub (electronics); Reflector (photography); Helical antenna; J-pole antenna; Electrical length; Multi-band device; Antenna Design and Analysis