The reflector support structure 12 includes a plurality of rod-like elements 13 which are secured together at their respective ends, forming joints 14, in such an arrangement so as to describe a generally paraboloidal shape comprised of a plurality of open triangles. Elongated standoff elements extend outwardly from at least the joints 14 of the reflector support structure 12 and have secured thereto positioning elements for supporting the apexes of triangular-shaped reflecting sections 11. A plurality of reflecting sections 11 are arranged to substantially mate along their respective edges, and are held in place by the supporting elements, to form a large, substantially parabolic, reflector 10. When the reflector 10 and reflector support structure 12 are used as part of a solar collection system, a tracking support structure supports the reflector support structure off the ground and in a correct orientation relative to the sun.
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