Abstract
The authors discuss the installation and characteristics of a UHF skew antenna mounted on a tower that already supports seven other VHF arrays used for TV broadcasting. The skew antenna consists of four antenna arrays arranged in a circle with a radius of about 3 m and radiating tangentially. The phase difference between the antenna arrays is 90 degrees . The skew antenna system produces a good omnidirectional pattern, but when located on the tower the reflections from the flat face and the wedge diffractions modify the pattern. The calculation of the horizontal radiation pattern using the geometrical theory of diffraction is compared with the measured pattern. Both the UHF antenna's radiation pattern and its mutual interference are compared with the existing VHF antennas. >
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