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Detection and CountermeasuresCountermeasures

Notch Antenna for a Radio Communications System.

Authors: F. S. Gutleber; DEPARTMENT OF THE ARMY WASHINGTON DC
Abstract:
A notch antenna for the elimination external interference sources such as jamming, self-interference atmospheric noise and man made noise is provided by a grounded electrically conductive shield placed in the front of an omnidirectional antenna coupled to radio communications apparatus, such as a receiver, whereby the shield blocks electromagnetic waves arriving within an angular arc defined by the position and size of the shielding element. (Author)

Description: Patent Application
Pages: 14
Report Date: 06 MAR 1984
Report Number: D298010

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Keywords relating to this report:
*ANTENNAS
*Antijamming
*INTERFERENCE
*PATENT APPLICATIONS
*Shielding
*SUPPRESSORS
COMMUNICATION EQUIPMENT
DIRECTIONAL ANTENNAS
DUAL CHANNEL
ELECTRICAL CONDUCTIVITY
ELIMINATION
EXTERNAL
JAMMING
MULTIPLEXING
OMNIDIRECTIONAL ANTENNAS
RECEIVERS
SOURCES
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