Dual feed box horn antenna

Details Dual feed box horn antenna Dual feed box horn antenna

1981-11-12

1983-12-06

Lieberman, E.

Communications: radio wave antennas

Antennas

Wave guide type

343785, 343786, H01Q 2500, H01Q 1917

Patent

active

044196709

ABSTRACT:
A radar antenna includes a box horn radiator which is capable of simultaneously transmitting X band and S band signals. The S band signals are transmitted as a resultant of the TE.sub.01 and TE.sub.03 mode, which is generated within the box horn. Additionally, the X band frequencies are fed into an off-set input port, which launches the X band signal as a surface wave. By positioning the box horn at the focus of a reflector, azimuth pointing errors are prevented but different elevation patterns are produced.

REFERENCES:
patent: 2912695 (1959-11-01), Cutler
patent: 4199764 (1980-04-01), Frosch

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