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.

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.
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References in periodicals archive ?
List price for the TD-L1550 with Adcock antenna and 16-foot cable is $3,950.
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.
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.