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Abstract
A symmetrically-fed dipole antenna is considered in the paper. The rigorous integral equation is usually resolved by approximating the kernel, assuming a deltafunction feed, and iterating. To obtain consistent solutions, the sinusoidal current approximation needs to be modified («rounded») at the feed. A modified transmission line approach is equivalent to firstorder iteration by taking a certain value of characteristic impedance. The radiation impedance for a dipole contains the expression for the line reactance within it, and if this term is separated out, the remainder remains finite as the wire radius approaches zero. The iteration approach is equivalent to the usual induced EMF method result if a certain current amplitude is selected, but the result is unsuitable for the full wave dipole. An improved choice is indicated, and is suitable for any dipole length.
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