Dual frequency horn antenna system

Details Dual frequency horn antenna system Dual frequency horn antenna system

1979-06-01

1980-09-02

Moore, David K.

Communications: radio wave antennas

Antennas

With polarization filter or converter

343755, 343779, 343872, H01Q 1900

Patent

active

042209579

ABSTRACT:
A feature of this invention is the provision of an antenna system providing two, coaxial, copolarized, independently focused beams: a relatively wide, low frequency, searching beam, and a relatively narrow, high frequency, tracking beam; and comprising a dual frequency, dual polarization feedhorn; a polarization dependent subreflector; a concave polarization reversing reflector; a concave polarization twisting reflector; and a planar frequency dependent dielectric lens.

REFERENCES:
patent: 2736895 (1956-02-01), Cochrane
patent: 2943324 (1960-06-01), Sichak
patent: 3281850 (1966-10-01), Hannan
patent: 3394378 (1968-07-01), Williams et al.
patent: 3514779 (1970-05-01), Commault

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