An antenna system includes an antenna having an aperture, and a polarizerarray. The polarizer array includes a support structure, at least twopolarizerelements arranged relative to the support structure, each of the at least twopolarizerelements rotatable about a separate axis, and an actuator coupled to the atleast twopolarizer elements, the actuator operative to effect common rotation of the atleasttwo polarizer elements. The polarizer array is arranged to at least partiallycover theantenna aperture.
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