HELICAL ANTENNA Russian patent published in 2017 - IPC H01Q9/00 

FIELD: radio engineering, communication.

SUBSTANCE: helical antenna comprises a hemispherical spiral, a flat spiral, an absorber, a base and a balancing device, a corrector configured as an additional dielectric ring coaxial with the antenna and mounted in the lower part of turns of the helical antenna, wherein turns are fitted on the outer surface of the ring, their upper ends are connected to a contact with the lower ends of the antenna.

EFFECT: increased antenna gain coefficient in a lower frequencies region, reduced sidelobe level of antenna at the same frequency and receiving monotone beams.

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