FIELD: antenna engineering. SUBSTANCE: antenna has metal body in the form of turned over truncated cone with flange for fastening the antenna. Truncated cone is closed with dielectric cover. Metal disc with sector slot is positioned inside resonator on one level with flange. One edge of slot is coupled conductively to base of body by means of rectangular metal plate. Coordinate grid is formed on the other edge of slot in sector of angles less than 180 deg. N conducting commutated members providing for discrete returning of antenna operating frequency are arranged in grid knots. Central conductor of coaxial cable is connected to disc edge at angular distance of 45 deg. from short-circuited edge of sector slot. EFFECT: more effective design. 1 dwg
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