A wide band, low profile linear microstrip antenna array with cosecant square‐shaped beam pattern is presented. Array synthesis has been done using Orchard Elliott's and genetic algorithm methods. An air‐dielectric U‐slot rectangular patch element has been chosen as an array element for wide bandwidth. Simulated results have shown a good agreement with the measured results of the antenna array realized over 15% bandwidth in L‐band. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 963–965, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22309

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Advanced Radar Programs use low sidelobe, wide divided into two 5-element subarrays and each of these angle scan Active Aperture Arrays over a broad bandwidth to subarrays is driven through an independent T/R module (see ensure the frequency agility and ECCM requirements of Modern

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