An antenna comprising: a first conducting element having a first conductive surface; a second conducting element having a second conductive surface; wherein the first and second conductive surfaces are the same size and shape and are parallel; a first conducting line providing a short circuit between the conductive surfaces (14a, 14b) and located about half way along the first and second conducting elements; a second conducting line having a first end electrically connected to the first conductive surface and a second, free end; a third conducting line having a first end electrically connected to the second conductive surface and a second, free end; wherein the first conducting line and the second and third conducting lines are parallel; wherein the second and third conducting lines are aligned along an axis and each of the second ends (22, 28) of the second and third conducting lines serves as one of the terminals of a two terminal port for feeding an RF signal of wavelength λ to the antenna, and wherein the first and second conducting elements are arranged with the conductive surfaces (14a, 14b) in a face-to-face relationship, spaced apart by a distance d, and wherein the first, second and third conducting lines are arranged with the second and third conducting lines being in close proximity to, but spaced apart from, the first conducting line such that, when an RF signal is fed to the antenna: currents caused to flow in one conductive surface generate a magnetic field that at least partially cancels out the magnetic field generated by currents caused to flow in the other conductive surface; and currents are caused to flow in the first, second and third conducting lines, the currents caused to flow in the second and third conducting lines having two components, a first component generating a magnetic field that at least partially cancels out the magnetic field generated by the same current flowing in the first conducting line and a second component acting as the effective antenna current that generates an E-field vector along the axis of alignment of the second and third conducting lines. a first conducting element having a first conductive surface; a second conducting element having a second conductive surface; wherein the first and second conductive surfaces are the same size and shape and are parallel; a first conducting line providing a short circuit between the conductive surfaces (14a, 14b) and located about half way along the first and second conducting elements; a second conducting line having a first end electrically connected to the first conductive surface and a second, free end; a third conducting line having a first end electrically connected to the second conductive surface and a second, free end; wherein the first conducting line and the second and third conducting lines are parallel; wherein the second and third conducting lines are aligned along an axis and each of the second ends (22, 28) of the second and third conducting lines serves as one of the terminals of a two terminal port for feeding an RF signal of wavelength λ to the antenna, and wherein the first and second conducting elements are arranged with the conductive surfaces (14a, 14b) in a face-to-face relationship, spaced apart by a distance d, and wherein the first, second and third conducting lines are arranged with the second and third conducting lines being in close proximity to, but spaced apart from, the first conducting line such that, when an RF signal is fed to the antenna: currents caused to flow in one conductive surface generate a magnetic field that at least partially cancels out the magnetic field generated by currents caused to flow in the other conductive surface; and currents are caused to flow in the first, second and third conducting lines, the currents caused to flow in the second and third conducting lines having two components, a first component generating a magnetic field that at least partially cancels out the magnetic field generated by the same current flowing in the first conducting line and a second component acting as the effective antenna current that generates an E-field vector along the axis of alignment of the second and third conducting lines. currents caused to flow in one conductive surface generate a magnetic field that at least partially cancels out the magnetic field generated by currents caused to flow in the other conductive surface; and currents are caused to flow in the first, second and third conducting lines, the currents caused to flow in the second and third conducting lines having two components, a first component generating a magnetic field that at least partially cancels out the magnetic field generated by the same current flowing in the first conducting line and a second component acting as the effective antenna current that generates an E-field vector along the axis of alignment of the second and third conducting lines.