DESIGN OF PARABOLIC AERIAL Russian patent published in 1994 - IPC

FIELD: aerial equipment. SUBSTANCE: parabolic aerial has reflector, radiating element with radiator, post and support. Parabolic aerial is mounted on support for turning and is provided with stopping bolts. Reflector is attached to post. Radiating element with radiator is put on reflector with the help of holders with threaded holes made in radiator. Post has longitudinal groove which houses bushing 8 with rod 11 of alternating length passed inside it. Bushing and rod of alternating length are provided with locators. Coarse adjustment of aerial by elevation angle is performed by movement of bushing 8 along groove of post 9. Fine adjustment is carried out by means of rod 11 of alternating length connected to reflector. EFFECT: improved accuracy of adjustment of satellite aerial. 4 dwg