VHF satellite based radar antenna array

Details VHF satellite based radar antenna array VHF satellite based radar antenna array

1990-09-28

1995-03-07

Gregory, Bernarr E.

Communications: radio wave antennas

Antennas

Plural separate diverse type

343871, 343880, H01Q 2100

Patent

active

H00014214

ABSTRACT:
A space based radar antenna array is provided which includes a loop antenna, a narrow cylindrical central support column, and an erectable support structure for connecting the support column to the loop antenna. The loop antenna, the support column and the support structure together form a generally umbrella-like apparatus which is erected to deploy the antenna. When deployed, the loop antenna assumes a circular shape oriented in surrounding relation to the central support column. In the non-deployed state, the loop antenna is collapsed adjacent to the support column. The loop antenna comprises a plurality of printed circuit, end-fire YAGI-UDA antenna units.

REFERENCES:
patent: 4378558 (1983-03-01), Lunden
patent: 4513291 (1985-04-01), Drabowitch
patent: 4578920 (1986-04-01), Bush et al.
patent: 4658261 (1987-04-01), Reid et al.
patent: 4757323 (1988-07-01), Duret et al.
patent: 4811033 (1989-03-01), Ahl et al.
patent: 4814784 (1989-03-01), Pallmeyer
VHF Satellite Based Radar (SBR) Antenna Array Concept, F. Fine, NRL Memorandum Report 5726, pp. 1-21.

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