helical antenna


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helical antenna

[′hel·ə·kəl an′ten·ə]
(electromagnetism)
An antenna having the form of a helix. Also known as helix antenna.

helical antenna

helical antenna
Pole-mounted helical beam antenna of 8 turns with pitch angle of 12.5°.
An antenna used where circular polarization is required. The driven element consists of a helix supported above a ground plane.
References in periodicals archive ?
The company's patent pending antenna products include the interference mitigating RF Spotlight, the lightweight foldable helical antenna CP Beam, and the polarization diversity antenna dubbed Diversity Fin.
Before using Mathcad, SkyCross depended on manipulating lab built models for one particular class of antennas, the Quadrifilar Helical Antenna.
Multiple antennae options including a small helical antenna and whipical antenna for increased coverage in fringe areas
IAS has the worldwide license agreement for commercial rights to the contrawound toroidal helical antenna (CTHA).
In response to increasing demand in the USA for its GeoHelix(TM) GPS (Global Positioning System) antennas, UK-based helical antenna manufacturer Sarantel has appointed eight more representatives in the region.
Tenders are invited for Helical Antenna 14 Mm For Walkie-Talkie Motorola Make Gp 328 Genuine Material Warranty Is Required
OTC Bulletin Board: IASCA) wishes to announce that an agreement has been completed to build and test the Contrawound Toroidal Helical Antenna (CTHA) for the receiver sites in MobileComm's (MobileMedia Communications, Inc.
Tenders are invited for Handheld Vhf Trans-Receiver 1W/5W Synthesized With 2300Mah Battery As Per Specification Enclosed Along With Accessories - I Single Unit Radio Battery Rapid Charger 230V With Adaptor Ii Spring Action Belt Clip Iii Helical Antenna Iv User / Operational Manual V With Spare Battery And As Per Specification Enclosed.
Robinson went on to say: "IAS initiated this lawsuit based on its belief that the antennas INTEGRAL was marketing to the commercial marketplace were based on the Contrawound Toroidal Helical Antenna (CTHA) technology.
Tenders are invited for Helical Antenna Suitable For Kenwood Model Tk 2107 56 Watt Vhf Set.
The contract calls for research and development into Emergent's Contrawound Toroidal Helical Antenna (CTHA), to be utilized in the communications infrastructure of the US Special Operations Command.