7Search.cceffective aperture of monopole antennaeffective aperture of monopole antennaapplications of monopole antennadirectivity of monopole antennaeffective aperture of antennaimpedance of monopole antennadescription of monopole antennagain of monopole antennawhat is the monopole antennamonopole and dipole antennatypes of monopole antennamonopole antenna frequency rangeradiation pattern of monopole antenna