Communications: radio wave antennas – Antennas – With aircraft
Patent
1979-06-25
1984-05-29
Lieberman, Eli
Communications: radio wave antennas
Antennas
With aircraft
343730, 343767, H01Q 128, H01Q 1312, H01Q 2129
Patent
active
044518293
ABSTRACT:
An antenna, particularly suitable for two-way communication between a communication satellite and an aircraft in flight, having a circular polarization response, comprising a T-matched dipole element producing a pattern polarized parallel to the axis of the aircraft fuselage, and having a slot therein which is separately excited to produce an E field orthogonally polarized with respect to the pattern of the dipole. By exciting the dipole and the slot in phase quadrature, the combined patterns provide circular polarization as is necessary for satellite communications. The shape of the antenna enclosure has a very low drag and favorable aerodynamic characteristics.
REFERENCES:
patent: 3952310 (1976-04-01), Griffee et al.
Meyers, deceased Robert A.
Stuckey, Jr. Clarence W.
Lieberman Eli
Lockheed Corporation
Smith Frederic P.
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