Importance

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Abstract

An electric dipole antenna includes a first and a second arm extending along a dipole axis away from a feed gap in substantially opposite directions. A first and a second end body are operatively coupled to opposite ends of the first and the second arms. Each end body has a width dimension which extends perpendicular to the dipole axis. A dipole length dimension extends along the dipole axis through the first and the second arms and the first and the second end bodies. A current conduction circuit provides a radiation field for the electric dipole antenna. The circuit passes along the first and the second arms and around a closed perimeter of the first and the second end bodies. As a result, the electric dipole antenna exhibits a series resonant frequency at a wavelength which is at least eight times the dipole length dimension. In addition, an electric monopole antenna design is used. The monopole is situated over a conducting ground plane which reflects the above-ground plane portion of the antenna. With the reflection portion, the monopole antenna effectively forms a dipole antenna that has the same characteristics of the electric dipole design described above.

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First Claim