An antenna system includes an antenna having an aperture, and a polarizer array. The polarizer array includes a support structure, at least two polarizer elements arranged relative to the support structure, each of the at least two polarizer elements rotatable about a separate axis, and an actuator coupled to the at least two polarizer elements, the actuator operative to effect common rotation of the at least two polarizer elements. The polarizer array is arranged to at least partially cover the antenna aperture.
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