Communications: radio wave antennas – Antennas – With aircraft
Patent
1986-07-25
1988-06-07
Sikes, William L.
Communications: radio wave antennas
Antennas
With aircraft
343708, 343872, H01Q 128
Patent
active
047499974
ABSTRACT:
An antenna array which may be conformally mounted in an aircraft includes a plurality of non-parasitic antenna drivers. A conductive member serves as a ground plane and reflector. Each non-parasitic driver is coupled to an energy transformer, such as a receiver, by an energy conductor, such as a balun, which supports the element in spaced parallel relation with respect to the conductive member. The energy transformers are releasably secured to the conductive member, which preferably is formed of a plurality of portions, each portion having attached thereto a group of the energy transformers. The antenna array is formed by a series of modules including a portion of the conductive member with its attached energy transformers. The modules form a wing leading edge radome that is hinged to the aircraft along a longitudinal edge of the radome to permit easy access for servicing. The conductive member in each module has a slot for each driver to permit replacement of antenna driver/energy transformer assemblies. A non-conductive support tube in each module houses conductive directors and non-conductive spacers for positioning the directors with respect to the drivers. Alternatively, selected portions of the tube may be coated with a conductive material to serve as directors.
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Aker David
Geib Richard G.
Grumman Aerospace Corporation
Le Hoang-anh
Sikes William L.
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