Cage aerial

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A Cage aerial is a radio antenna, which consists of several parallel wires, which are radially arranged around a tower or a mast. An advantage of the cage aerials is the fact that the supporting tower can be grounded, which allows it to be used for other radio services, such as a support for VHF or UHF antennas. A grounded tower also simplifies the installation of aircraft warning lamps. Cage aerials have been built in different variants for broadcasting stations in the longwave- and mediumwave band.

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