Circularly polarized antenna system using a combination of horiz

Details Circularly polarized antenna system using a combination of horiz Circularly polarized antenna system using a combination of horiz

1977-09-28

1979-12-25

Moore, David K.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343797, 343890, H01Q 2126

Patent

active

041808207

ABSTRACT:
A circularly polarized antenna system adapted to provide a desired radiation pattern about a support mast using four horizontal radiating elements spaced at 90.degree. intervals about the support mast and by four vertically polarized dipoles with each vertical dipole mounted vertically spaced from the four horizontally polarized radiating elements. The four vertically polarized dipoles are spaced at 90.degree. intervals about the mast. Both the horizontal radiators and the vertical dipoles are fed in rotating phase. Each of the four vertically polarized dipoles comprises a pair of dipole arms which arms are bent to form a V with the vertex pointing toward the mast to increase the radiation in the plane orthogonal to the lengthwise axis of the mast and to decrease the radiation in the direction of the axis of the mast.

REFERENCES:
patent: 2480154 (1949-08-01), Masters
patent: 3943522 (1976-03-01), Ben-Dov

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