A high-capacity antenna for use in a stadium capable of producing a rectangular radiation pattern, the antenna comprising: a ground plane; a feed network for processing radio-frequency signals in a plurality of frequency bands to or from two or more sets of antenna feeds (140A-140C), each set of antenna feeds (140A-140C) providing or receiving RF signals on a respective one of the plurality of frequency bands; at least two arrays (120, 120A, 120B, 120C) of radiating elements (122A-122C), each array (120, 120A, 120B, 120C) being fed by a respective one of the two or more sets of antenna feeds (140A-140C) of the feed network for producing the rectangular radiation pattern in a respective one of the plurality of frequency bands, each array (120, 120A, 120B, 120C) comprising a plurality of dual polarization radiating elements (122A-122C) for producing dual polarization of the rectangular radiation pattern, the at least two arrays (120, 120A, 120B, 120C) of radiating elements (122A-122C) being suspended above one side of the ground plane, the feed network feeding the at least two arrays (120, 120A, 120B, 120C) on the other side of the ground plane; characterized in that the radiating elements (122A-122C) include dipoles and the radiating elements (122A-122C) of the array (120, 120A, 120B, 120C) operating in the lowest frequency band are dipoles that are angled downward, wherein the plurality of dual polarization radiating elements (122A-122C) of the at least two arrays (120, 120A, 120B, 120C) of radiating elements (122A-122C) each are constituted to produce a radiation pattern being similar in the azimuth plane and in the elevation plane, the antenna thus producing a square radiation pattern, wherein the antenna is to be mounted on a ceiling or roof of a stadium so that a beam forming the rectangular radiation pattern is directed downward to illuminate a seat bay in the stadium. a ground plane; a feed network for processing radio-frequency signals in a plurality of frequency bands to or from two or more sets of antenna feeds (140A-140C), each set of antenna feeds (140A-140C) providing or receiving RF signals on a respective one of the plurality of frequency bands; at least two arrays (120, 120A, 120B, 120C) of radiating elements (122A-122C), each array (120, 120A, 120B, 120C) being fed by a respective one of the two or more sets of antenna feeds (140A-140C) of the feed network for producing the rectangular radiation pattern in a respective one of the plurality of frequency bands, each array (120, 120A, 120B, 120C) comprising a plurality of dual polarization radiating elements (122A-122C) for producing dual polarization of the rectangular radiation pattern, the at least two arrays (120, 120A, 120B, 120C) of radiating elements (122A-122C) being suspended above one side of the ground plane, the feed network feeding the at least two arrays (120, 120A, 120B, 120C) on the other side of the ground plane; characterized in that the radiating elements (122A-122C) include dipoles and the radiating elements (122A-122C) of the array (120, 120A, 120B, 120C) operating in the lowest frequency band are dipoles that are angled downward, wherein the plurality of dual polarization radiating elements (122A-122C) of the at least two arrays (120, 120A, 120B, 120C) of radiating elements (122A-122C) each are constituted to produce a radiation pattern being similar in the azimuth plane and in the elevation plane, the antenna thus producing a square radiation pattern, wherein the antenna is to be mounted on a ceiling or roof of a stadium so that a beam forming the rectangular radiation pattern is directed downward to illuminate a seat bay in the stadium.