fig2 e shows a top view of an antenna 10 e wherein ground elements 14 follow irregular profiles the curved shapes of ground elements 14 may be provided in various ways including making elements 14 from a flexible material such as a metallic sheet which can be bent to have the desired curve casting or molding elements 14 in the desired shapes from a castable or moldable material or providing elements 14 made from a resiliently flexible material and holding elements 14 in a flexed configuration 0037 fig2 f shows a top view of an antenna 10 f wherein ground elements 14 are made from a resiliently flexible material and are held in a curved configuration by non conductive strings 16 in the embodiment of fig2 f the curve of ground elements 14 is determined by the length of strings 16 and the bending characteristics of ground elements 14 fig2 g shows a top view of an antenna 10 g wherein ground elements 14 are made from a flexible material and are shaped by forms 17 forms 17 may contact ground elements 14 only at a few points to minimize the amount of dielectric material near ground elements 14 as shown in fig3 antenna 10 may be driven by a signal supplied through a coaxial cable 19 antenna 10.