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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>MATHEMATICAL ANALYSIS OF ELECTROMAGNETIC RADIATORS FOR HIGHWAY ADVISORY RADIO. VOLUME I: VERTICAL MONOPOLES</title>
      <link>https://trid.trb.org/View/171517</link>
      <description><![CDATA[This report deals with the mathematical analysis of the radiation characteristics of Highway Advisory Radio (HAR) vertical monopoles. There were two types of analysis considered in this effort. They were: (1) Modeling of the antennas by Method of Moments techniques to determine free space and perfect ground parameters. This was followed by an analysis of antenna radiation characteristics by use of a parallel plate capacitor model and Norton's Equations. (2) Modeling by an equivalent circuit representation which includes ground effects, geometric parameters and re-radiation characteristics of antennas mounted on arbitrary structures. These models were implemented in Fortran IV computer programs, and various runs were made to compare the predictions of the models with measured radiation characteristics of actual HAR monopoles. In general, the models confirmed the results of the field measurements.]]></description>
      <pubDate>Fri, 29 Jan 1982 00:00:00 GMT</pubDate>
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      <title>APPLICATION OF MOM/GTD TECHNIQUES TO SHIPBOARD ANTENNAS</title>
      <link>https://trid.trb.org/View/50807</link>
      <description><![CDATA[The MOM/GTD technique has been used in this report to calculate the radiation patterns of HF shipboard antennas. The ship model was made progressively more complex so that the effects of different parts of the ship could be assessed. The results compare very well with measured data for the cases studied. (Author)]]></description>
      <pubDate>Wed, 31 Aug 1977 00:00:00 GMT</pubDate>
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