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Proceedings of the IRE

Issue 5 • May 1939

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Displaying Results 1 - 17 of 17
  • [Front cover]

    Publication Year: 1939, Page(s): c1
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  • National Convention

    Publication Year: 1939, Page(s): c2
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  • Table of contents

    Publication Year: 1939, Page(s): nil1
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  • Information about the Society

    Publication Year: 1939, Page(s): nil2
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  • Precipitation-Static Interference on Aircraft and at Ground Stations

    Publication Year: 1939, Page(s):301 - 316
    Cited by:  Papers (15)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (9576 KB)

    The effect of precipitation static on aircraft reception is described and a history of previous work on the subject given. The results of an expedition assembled by the United Air Lines for a study of the subject are described under a series of chapter headings. The meteorological conditions producing the static areas were explored by flights through them and the theory of their formation is discu... View full abstract»

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  • The Application of Negative Feedback to Frequency-Modulation Systems

    Publication Year: 1939, Page(s):317 - 331
    Cited by:  Papers (28)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3320 KB)

    Negative feedback can be applied to a frequency-modulation receiver of superheterodyne type by causing a portion of the output voltage to frequency-modulate the local oscillator in such phase as to reduce the output signal. As a consequence of this arrangement the effective frequency modulation of the intermediate wave is diminished by the feedback factor. This reduction is accompanied by a decrea... View full abstract»

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  • The Relation of Radio Sky-Wave Transmission to Ionosphere Measurements

    Publication Year: 1939, Page(s):332 - 347
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3080 KB)

    A simple, rapid, graphical method is given for obtaining maximum usable frequencies and effective reflection heights of radio waves, from vertical-incidence measurements of the critical frequencies and virtual heights of the various layers in the ionosphere. The method consists of the use of "transmission curves," which are superimposed on the curve of frequency against virtual height, observed at... View full abstract»

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  • Characteristics of the Ionosphere at Washington, D.C., March, 1939

    Publication Year: 1939, Page(s):348 - 349
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (434 KB)

    Data on the ordinary-wave critical frequencies and virtual heights of the ionospheric layers are presented for the period indicated in the title. The monthly average values of the maximum usable frequencies for undisturbed days, for radio transmission by way of the regular layers is also provided. View full abstract»

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  • Institute news and radio notes

    Publication Year: 1939, Page(s):350 - 357
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  • Books

    Publication Year: 1939, Page(s): 357
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  • Correspondence

    Publication Year: 1939, Page(s):357 - 358
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  • Contributors

    Publication Year: 1939, Page(s): 358
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  • Commercial Engineering Developments

    Publication Year: 1939, Page(s):ii - vi
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    First Page of the Article
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  • Current Literature

    Publication Year: 1939, Page(s): vi
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  • Engineering directory [advertisement]

    Publication Year: 1939, Page(s): x
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  • Index [to advertisers]

    Publication Year: 1939, Page(s): x
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  • Positions open

    Publication Year: 1939, Page(s): x
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Aims & Scope

This Periodical ceased production in 1962. The current retitled publication is Proceedings of the IEEE.

Full Aims & Scope