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Antennas and Propagation Society Newsletter, IEEE

Issue 3 • Date June 1989

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Displaying Results 1 - 12 of 12
  • This issue [entire issue]

    Page(s): 1 - 60
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (7741 KB)  

    Provides the entire issue in a single PDF file. View full abstract»

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  • A message from the president

    Page(s): 3 - 4
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    Freely Available from IEEE
  • Editor's comments

    Page(s): 3 - 4
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    Freely Available from IEEE
  • Research on transmitting antennas

    Page(s): 5 - 22
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1570 KB)  

    All of the characteristics of the batwing radiator, which is the heart of the superturnstile antenna system, are theoretically calculated by using the moment method. The matching condition is obtained on the basis of the characteristics, for the cases of changing the connection of the jumper(s) and of changing the distance between the support mast and the antenna elements. In this paper, a comparative study of the results of theoretical analyses and actual measurements is conducted to determine whether or not the construction of the batwing antenna could be simplified by eliminating the element at its central part, without detracting from its favorable characteristics. View full abstract»

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  • An historical perspective of microwave propagation and antenna research [From the Historian]

    Page(s): 23 - 26
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    My first contact with the IEEE was in 1947 when, at the University of Western Ontario in London, Canada, under the guidance of Professor Garfield A. Woonton, I became a student member. In my college senior year (1949), my seminar topic was broadly titled, "Radio Wave Propagation": ground-wave, ionospheric, tropospheric - all were included! I was soon to learn that it was overwhelming to encompass such a broad field in detail. I think some of the inspiration for this interest in propagation came through J.A. Ratcliffe, whom I met briefly in England during the early (1941) radar years. He recently finished his days at Cambridge University. View full abstract»

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  • The measurements column

    Page(s): 32
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    Freely Available from IEEE
  • Antenna designer's notebook

    Page(s): 33 - 34
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    This very interesting and useful contribution is from John Aurand of Sandia National Laboratories in New Mexico, and has to do with calculating the directivity of an existing pyramidal horn, using simplified expressions for the aperturep hase errors in its principal planes. A sequel, Part 2, covering a novel method for designing horns of any desired directivity will be published in the next issue View full abstract»

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  • Spherical near-field antenna measurements, edited by J.E. Hansen

    Page(s): 35 - 36
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    Freely Available from IEEE
  • PCs for AP

    Page(s): 37 - 39
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    Freely Available from IEEE
  • AP-S turnstile

    Page(s): 40
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    Freely Available from IEEE
  • Letter to the editor

    Page(s): 41 - 42
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    Freely Available from IEEE
  • The Woodward-Lawson method: A third opinion

    Page(s): 49 - 50
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Aims & Scope

The IEEE Antennas and Propagation Magazine covers all areas relating to antenna theory, design, and practice.

 

This Magazine ceased publication in 1989. The current retitled publication is IEEE Antennas & Propagation Magaine.

Full Aims & Scope