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Abstract
The paper presents analysis and design of edge-slot array in RG 96/U waveguide at 28.5 GHz. The array has been sythesized for Taylor's and Tchebyscheff distributions and variation of radiation efficiency with number of elements has been computed for various side lobe levels. The design of a 20-eIement array with optimum radiation efficiency, of 64% has been discussed. Design considerations for feed structure to achieve frequency scanning is also mentioned in brief.