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A compact Yagi-Uda antenna for vehicle directional communications in tactical VHF (30-88-MHz) is presented. A special double-folded monopole is designed as the element of the Yagi-Uda antenna to realise compact size and high directivity. The proposed antenna designed and optimised at 59-MHz can utilise the vehicle space reasonably with greatly compact height (0.1199-) and space between elements (0...
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