basic subdivision of an antenna which is designed to support the radio-frequency currents or fields that contribute directly to the radiation pattern of the antenna
NOTE 1 – An antenna may comprise one or more radiating elements.
NOTE 2 – A radiating element may be driven or not driven.
NOTE 3 – Some parts of the antenna, such as struts, may support parasitic radio-frequency currents or fields which can cause the desired radiation of the antenna to be perturbed.
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