A dual-band antenna comprising: a symmetrical feed tab, the symmetrical feed tab being symmetric with respect to a central axis; a short circuit leg electrically coupled to the symmetrical feed tab, the short circuit leg being symmetric with respect to an axis, the axis being perpendicular to the central axis; and symmetrical arms electrically coupled to and extending from opposing sides of the short circuit leg, the symmetrical arms, the symmetrical feed tab and the short circuit leg being symmetrical with respect to the plane formed by the central axis and the axis; wherein, when the symmetrical feed tab is energized by a first signal having a first frequency in a first frequency band, a combination of the symmetrical feed tab and the short circuit leg form a first radiating section, wherein, when the symmetrical feed tab is energized by a second signal having a second frequency in a second frequency band, the symmetrical arms form a second radiating section, wherein the first signal induces first surface currents on the symmetrical feed tab, wherein the second signal induces second surface currents on the symmetrical arms, wherein the symmetrical feed tab and the symmetrical arms are oriented such that symmetry of the symmetrical feed tab and the symmetrical arms yields a cumulative cross-polarization distribution derived from radiation from the first surface currents and the second surface currents that exhibits a notch filter response at a plurality of points in an azimuth plane, and wherein a respective first electrical length of each of the symmetrical arms is approximately one half of a wavelength of the first frequency, and wherein a second electrical length of the short circuit leg is approximately one quarter of the wavelength of the first frequency. a symmetrical feed tab, the symmetrical feed tab being symmetric with respect to a central axis; a short circuit leg electrically coupled to the symmetrical feed tab, the short circuit leg being symmetric with respect to an axis, the axis being perpendicular to the central axis; and symmetrical arms electrically coupled to and extending from opposing sides of the short circuit leg, the symmetrical arms, the symmetrical feed tab and the short circuit leg being symmetrical with respect to the plane formed by the central axis and the axis; wherein, when the symmetrical feed tab is energized by a first signal having a first frequency in a first frequency band, a combination of the symmetrical feed tab and the short circuit leg form a first radiating section, wherein, when the symmetrical feed tab is energized by a second signal having a second frequency in a second frequency band, the symmetrical arms form a second radiating section, wherein the first signal induces first surface currents on the symmetrical feed tab, wherein the second signal induces second surface currents on the symmetrical arms, wherein the symmetrical feed tab and the symmetrical arms are oriented such that symmetry of the symmetrical feed tab and the symmetrical arms yields a cumulative cross-polarization distribution derived from radiation from the first surface currents and the second surface currents that exhibits a notch filter response at a plurality of points in an azimuth plane, and wherein a respective first electrical length of each of the symmetrical arms is approximately one half of a wavelength of the first frequency, and wherein a second electrical length of the short circuit leg is approximately one quarter of the wavelength of the first frequency.