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Whip Antenna |
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whip antenna [′wip an‚tenĀ·ə]
(electromagnetism) A flexible vertical rod antenna, used chiefly on vehicles. Also known as fishpole antenna. Whip Antenna an antenna in the form of an asymmetrical dipole made from a rigid metal rod or a large number of metal coils strung on a flexible steel line. The rigid rod may be solid or may consist of several coupled sections. In the USSR, a whip antenna made from metal coils strung on a steel line is known as a Kulikov antenna. Whip antennas made from a shaped metallic strip, a braided wire, or a metal-coated dielectric rod are used less often. The radiation pattern of a whip antenna in the horizontal plane is circular (see Figure 2 in ANTENNA). Therefore, whip antennas are especially suited for communication between ground-based objects whose relative position changes in time, for example, between mobile radio sets in motor vehicles or tanks. REFERENCESSee references under ANTENNA.Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | In addition, the kit includes 1/4 wave planar and whip antennas, which can be attached via an SMA connector, while a 32kb EEPROM enables final code to be stored and read into the Sensium at boot up. Created by Tracor Aerospace in the late 1980s by modifying a batch of UH-60A transport helicopters, these carry the TRW AN/ALQ-151(V)2, a direction-finding, intercept and countermeasures jamming suite which uses four dipole antennas mounted on the fuselage of the helicopter, plus a deployable whip antenna. Can be used without amplifier for short-range links (several hundred feet) using small whip antennas and several miles using outdoor gain antennas. |
Whip Antenna |
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