Adcock antenna

Adcock antenna

[′ad·käk ‚an′ten·ə]
(electromagnetism)
A pair of vertical antennas separated by a distance of one-half wavelength or less and connected in phase opposition to produce a radiation pattern having the shape of a figure eight.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Adcock antenna

Adcock antennaclick for a larger image
A pair of vertical antennas separated by a distance of one-half wavelength or less and connected in phase opposition to produce a radiation pattern having the shape of a figure eight.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
Mentioned in ?
References in periodicals archive ?
List price for the TD-L1550 with Adcock antenna and 16-foot cable is $3,950.
Find yourself: RDF/ADFs useful for safety--and spying
The basic form of the Adcock antenna is an array of four vertical monopoles connected so that a "figure-eight" azimuthal gain response pattern is produced.
A Sampling of Direction-Finding Systems
With the possible exception of advances in wavefront analysis, not much has really changed." And indeed, a check of the literature disclosed that the British patent for the Adcock antenna array was originally issued in 1919 and the Watson-Watt improvements to the Adcock array were described in a 1926 "IEE" paper.
SIGINT/DF systems of the next century

Encyclopedia browser ?
Full browser ?