Short end-fire circularly polarized antenna

Details Short end-fire circularly polarized antenna Short end-fire circularly polarized antenna

1974-08-09

1976-01-13

Lawrence, James W.

Communications: radio wave antennas

Antennas

Spiral or helical type

343912, H01Q 136

Patent

active

039328767

ABSTRACT:
A circularly polarized antenna having an end fed short length helical conductor within a conductive funnel-shaped reflector is described. A broad beam width and a relatively low axial ratio is achieved by the termination of the short length helical conductor about a conductive disk and by providing a reflector of shallow depth.

REFERENCES:
patent: 2503010 (1950-04-01), Tiley
patent: 2919442 (1959-12-01), Nussbaum
patent: 3573840 (1971-04-01), Gouillou et al.
patent: 3757345 (1973-09-01), Carver
patent: 3852756 (1974-12-01), Reese

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