ground-mounted vertical antenna meaning

  • [Electronics]
    A vertical radiator mounted at the earth’s surface or at the surface of a body of water, and fed with coaxial cable. The radiator can be any physical length, but it is tuned to resonance at the operating frequency.
    The center conductor of the cable is connected to the base of the radiator, and the shield is connected to a ground system. Radial wires, usually buried just below the surface, minimize losses. The antenna can be made resonant on several frequencies by inserting multiple loading coils or traps in the radiator. The chief advantages of this antenna are unobtrusiveness and ease of installation. The main problems are marginal efficiency and susceptibility to human-made electromagnetic noise. See also RADIAL, 1. Compare GROUND-PLANE ANTENNA.

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