Patent ID: 7327325

Claim:
A vertically polarized traveling wave antenna, comprising: a coaxial transmission line having an inner conductor and an outer conductor with a common longitudinal axis, wherein the transmission line originates at an origination node and ends at a terminal node; and a dipole comprising a first-type element and a second-type element, wherein radiating parts of the first-type and second-type elements comprise substantially collinear conductors having an axis parallel to an antenna polarization axis, wherein feed parts of the first-type and second-type elements are conductors having axes perpendicular to the polarization axis, wherein the feed parts are connected to respective radiating parts, wherein the first-type element is conductively coupled to the outer conductor and the second-type element is capacitively coupled to the inner conductor with an effective position comprising a coupling locus, and wherein the second-type element feed part passes without conductive contact through an aperture in the outer conductor.