A dual‐polarized array operating in the 250–500‐MHz frequency range is analyzed and realized for RCS measurements in an anechoic chamber. The elementary dual‐polarized source is presented, and then the array is completely analyzed with a parallel code solver. A comparison between computed and experimental results is given for the source impedance and radiation patterns of the array. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 34: 68–70, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10375