A dual-band antenna comprising: a symmetrical feed tab , the symmetrical feed tab being symmetric with respect to a central axis (A1); a short circuit leg electrically coupled to the symmetrical feed tab , the short circuit leg being symmetric with respect to an axis (A2), the axis (A2) being perpendicular to the central axis (A1); 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 (A1) and the axis (A2); 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 (A1); a short circuit leg electrically coupled to the symmetrical feed tab , the short circuit leg being symmetric with respect to an axis (A2), the axis (A2) being perpendicular to the central axis (A1); 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 (A1) and the axis (A2); 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. <EOS>