Glide-slope aerial system

Details Glide-slope aerial system Glide-slope aerial system

1990-03-01

1992-06-09

Wimer, Michael C.

Communications: radio wave antennas

Antennas

High frequency type loops

343705, 343846, H01Q 148

Patent

active

051211289

ABSTRACT:
Glide-slope aerial system intended to function in a relatively restricted space, for example the radome space of an aircraft, comprising one or more half-loop aerials which are supported by the electrically conducting ground plane of the radome space. Each aerial (10) is mounted on a separate base plate (11) whose dimensions are chosen in a manner such that the base plate is resonant at the frequency at which the respective aerial operates. The base plate is positioned in the radome space in a manner such that the base plate extends at least essentially parallel to the ground plane (14), the distance between the base plate and the ground plane being approximately equal to or less 1/4 of the wavelength at which the respective aerial functions.

REFERENCES:
patent: 3808600 (1974-04-01), Bourdnier
patent: 3906507 (1975-09-01), Allen, Jr.
patent: 3984838 (1976-10-01), Voronoff
patent: 4051477 (1977-09-01), Murphy et al.
patent: 4217591 (1980-08-01), Czerwinski
The Microwave Journal, vol. 11, No. 7, Jul. 1968, p. 98E.

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