The eXperimental Development Model (XDM) is a 15-m diameter radio telescope antenna prototype for the Karoo Array Telescope (KAT), which will be used to test technology leading up to development of the Square Kilometer Array (SKA).
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2006 11 02 XDM ground-breaking at the Hartebeesthoek Radio Astronomy Observatory by the Minister of Science and Technology, Mosibudi Mangena, shown here with a model of the telescope.
Find out more about the SKA and KAT at www.ska.ac.za