Communications: radio wave antennas – Antennas – With aircraft
Patent
1987-11-10
1988-09-20
Sikes, William L.
Communications: radio wave antennas
Antennas
With aircraft
343785, 3437925, H01Q 130
Patent
active
047728914
ABSTRACT:
Disclosed is a conically shaped reflector for producing dual polarized electromagnetic radiation in a surface wave transmission system. The reflector includes a circular conductive region that covers the apex of the conical reflector with the surface wave transmission line being joined to the center of the circular conductive region. Extending outwardly from equally spaced apart positions along the circumference of the circular conductive region are four conductive log-periodic arms.
REFERENCES:
patent: 3110030 (1963-11-01), Cole
patent: 3349404 (1967-10-01), Copeland et al.
patent: 4556889 (1985-12-01), Buehler
Le Hoang-anh
Sikes William L.
The Boeing Company
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