Consideration on Increasing Power Gain of Axial-Mode Helical Antenna

Takayasu SHIOKAWA  Yoshio KARASAWA  

Publication
IEICE TRANSACTIONS (1976-1990)   Vol.E64   No.11   pp.742-743
Publication Date: 1981/11/25
Online ISSN: 
DOI: 
Print ISSN: 0000-0000
Type of Manuscript: LETTER
Category: Antenna and Propagation
Keyword: 


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Summary: 
This letter presents experimentally that the power gain of axial-mode helical antenna can be improved by installing a relatively thin dielectric cylinder outside the helix, and also presented in some theoretical consideration to clarify the above effect approximately.