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Figure 1.

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Schematics showing the original antenna element and the solutions developed. (a) Unit cell cross section with parameters. (b) 5 × 20 array schematic with E- and H-planes outlined. Numbers at right and left of the array denote the element number in the array (e.g. 50 is the central element). Dimensions: A = 400 mm, B = 115 mm, D = 19 mm, a = 7.8 mm and b = 7.5 mm, hsubs1 = 0.81 mm and hsubs2 = 0.51 mm. (c) Schematic unit cell of wire medium-based metaradome. (d) Schematic unit cell of Jerusalem cross-based metaradome.

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