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Proceedings of the Institute of Radio Engineers

Issue 4 • April 1933

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  • [Front cover]

    Publication Year: 1933, Page(s): c1
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  • Institute of Radio Engineers - Forthcoming Meetings

    Publication Year: 1933, Page(s): c2
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  • Contents

    Publication Year: 1933, Page(s): i
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  • General Information

    Publication Year: 1933, Page(s): ii
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  • Institute sections

    Publication Year: 1933, Page(s): iii
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  • Geographical Location of Members Elected March 1, 1933

    Publication Year: 1933, Page(s): iv
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  • Applications for Membership

    Publication Year: 1933, Page(s): v
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  • Officers and Board of Directors, 1933

    Publication Year: 1933, Page(s): vi
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  • Committees of the Institute of Radio Engineers, 1933

    Publication Year: 1933, Page(s):vii - viii
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  • Frederick A. Kolster, Director, 1933

    Publication Year: 1933, Page(s): 506
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  • Institute news and radio notes

    Publication Year: 1933, Page(s):507 - 528
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  • Continuous Kenelly-Heaviside Layer Records of a Solar Eclipse

    Publication Year: 1933, Page(s):529 - 545
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4768 KB)

    A new type of apparatus, which makes a continuous automatic record of the varying heights of the Kennelly-Heaviside layers over a long period of time, has been designed. The history and the preliminary experiments are mentioned briefly. Two models are described and illustrated. The first model is a fixed piece of radio-transmission laboratory equipment, designed for maximum flexibility in operatio... View full abstract»

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  • Observations of the Effective Height of the Kennelly-Heaviside Layer and Field Intensity during the Solar Eclipse of August 31, 1932

    Publication Year: 1933, Page(s):546 - 566
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4928 KB)

    The result of observations of the effective height of the Kennelly-Heaviside Layer on frequencies of 1640, 3492.5, and 4550 kilocycles are described. On the higher frequencies two height maxima, one before and one after totality, are observed. These maxima occur at approximately 50 per cent totality. Field intensity observations on 6095, 940, and 16.1 kilocycles taken at Tufts College are also des... View full abstract»

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  • Observations in Transmission during the Solar Eclipse of August 31, 1932

    Publication Year: 1933, Page(s):567 - 573
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    This paper is a report of the result of tests on transmission during the solar eclipse of August 31, 1932. Signals in the 7500-kilocycle band were transmitted from a point in the path of totality and were recorded in Cleveland, Ohio. The records show a slow rise in level until a few minutes before totality when a sharp increase was observed. At totality the signals suddenly dropped to a very low l... View full abstract»

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  • Experiments on Electromagnetic Shielding at Frequencies between One and Thirty Kilocycles

    Publication Year: 1933, Page(s):574 - 590
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1744 KB)

    This paper describes a method used in measuring the ratio of magnetic field intensities within conducting cylindrical and spherical shells to that outside, values being given for various frequencies between 1000 and 30,000 cycles per second of the exciting field and various lengths and radii. A theoretical derivation of a shielding formula is given for a thin spherical shell and a cylindrical one ... View full abstract»

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  • Graphical Determination of Performance of Push-Pull Audio Amplifiers

    Publication Year: 1933, Page(s):591 - 600
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1752 KB)

    Previous methods used for determining graphically the performance of push-pull audio amplifiers are inaccurate because they neglect the coupling between the tubes through the output transformer. A relatively simple method is presented which takes this effect into account. It consists in combining the plate-current-plate-voltage characteristics of the tubes to form a family of composite characteris... View full abstract»

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  • Theory of the Detection of Two Modulated Waves by a Linear Rectifier

    Publication Year: 1933, Page(s):601 - 629
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2384 KB)

    In this paper there is developed a mathematical analysis of the detection, by a linear rectifier, or two modulated waves. Solutions are obtained which are manageable over wide ranges of values of carrier ratio and degrees of modulation. These solutions are of greater applicability and are more convenient than those previously obtained, and give a full treatment of the action of an ideal linear rec... View full abstract»

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  • Discussion on "Some Notes on Grid Circuit and Diode Rectification" (F. E. Terman and J. R. Nelson)

    Publication Year: 1933, Page(s): 630
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  • Book reviews

    Publication Year: 1933, Page(s):631 - 633
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  • Radio abstracts and references

    Publication Year: 1933, Page(s):634 - 639
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  • Contributors to this issue

    Publication Year: 1933, Page(s):640 - 641
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Aims & Scope

This Periodical ceased production in 1938. The current retitled publication is Proceedings of the IEEE.

Full Aims & Scope