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H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
H01Q9/04—Resonant antennas
H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
Landscapes
Variable-Direction Aerials And Aerial Arrays
(AREA)
Radial-free collinear omni-directional triband half wavelength antenna with virtual ground, single coaxial cable feedpoint, and with minimal interaction of adjustment between bands