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Proceedings of the Institute of Radio Engineers

Issue 8 • Date Aug. 1929

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  • [Front cover]

    Publication Year: 1929, Page(s): c1
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  • Institute of Radio Engineers - Forthcoming Meetings

    Publication Year: 1929, Page(s): c2
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  • Contents

    Publication Year: 1929, Page(s): 1257
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  • General Information

    Publication Year: 1929, Page(s): 1258
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  • Suggestions for Contributors to the Proceedings

    Publication Year: 1929, Page(s): 1259
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  • Institute sections

    Publication Year: 1929, Page(s): 1260
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  • C.M. Jansky, Jr. - Member of the Board of Direction, 1929

    Publication Year: 1929, Page(s): 1262
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  • Institute news and radio notes

    Publication Year: 1929, Page(s):1263 - 1267
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  • Geographical Location of Members Elected July 3, 1929

    Publication Year: 1929, Page(s):1268 - 1269
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  • Applications for Membership

    Publication Year: 1929, Page(s):1270 - 1271
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  • Officers and Board of Direction, 1929

    Publication Year: 1929, Page(s):1272 - 1273
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  • The Mutual Impedance between Adjacent Antennas

    Publication Year: 1929, Page(s):1275 - 1295
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2472 KB)

    The simple theory for the computation of reflecting or multibranch antenna systems is sketched. If the points at which observations of electrical quantities are to be made are definitely specified, a knowledge of the self and mutual impedances (properly defined) between antennas is sufficient to make the computations determinate. Of the circuit constants, the most useful and accessible is the ante... View full abstract»

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  • The Propagation of Low Power Short Waves in the 1000-Kilometer Range

    Publication Year: 1929, Page(s):1296 - 1312
    Cited by:  Papers (5)
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    A description is given of a series of experiments carried out between two ground stations, and between an airplane and a ground station, to determine whether it is possible to obtain with relatively low power reliable short-wave communication over distances of 500 km, or more. Continuous-wave transmitters supplying a constant power of two watts were employed throughout the experiments. Results at ... View full abstract»

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  • Further Note on the Ionization in the Upper Atmosphere

    Publication Year: 1929, Page(s):1313 - 1315
    Cited by:  Papers (2)
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  • An Electromagnetic Monochord for the Measurement of Audio Frequencies

    Publication Year: 1929, Page(s):1316 - 1321
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (728 KB)

    The desirable properties for an instrument for measuring frequencies over the audible range are briefly mentioned and a suggested electrically excited monochord is considered. In practice certain difficulties are found and lead to a proposal for employing the harmonic modes of vibration of the stretched wire. The theory of this is given, as well as the relation between the frequency response and t... View full abstract»

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  • An Empirical Equation for Determining the d2ig/deg2of Detectors

    Publication Year: 1929, Page(s):1322 - 1325
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB)

    An empirical equation for the grid-current grid-voltage curve of the C-327 tube is developed. By obtaining the derivatives of this equation rather than determining them from the ig-eg, curve by graphical means the inaccuracy of the graphical methods is avoided. The equation holds accurately in the range of eGencountered in practice. View full abstract»

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  • Engineering Aspects of the Work of the Federal Radio Commission

    Publication Year: 1929, Page(s):1326 - 1333
    Cited by:  Papers (1)
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  • Some Characteristics of Modern Radio Receivers and Their Relation to Broadcast Regulation

    Publication Year: 1929, Page(s):1334 - 1341
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1176 KB)

    The paper gives a brief discussion of the modern tendencies in radio broadcast receiver design, with particular regard to those characteristics of receivers which are related to the problem of allocation and regulation of broadcasting stations. These characteristics are separated into five classes, as follows: (1) discrimination between channels; (2) discrimination within a channel; (3) uniformity... View full abstract»

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  • The Regulation of Broadcasting Stations as a Systems Problem

    Publication Year: 1929, Page(s): 1342
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    This paper is a brief discussion of some of the outstanding technical problems of radio broadcast regulation with particular reference to the transmitting equipment. It is pointed out that in the interests of continued progress the regulatory program should be based on the following considerations: (1) Intensive development of the available frequency band: (2) Close adherence to the technical fact... View full abstract»

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  • Some Principles of Broadcast Frequency Allocation

    Publication Year: 1929, Page(s):1343 - 1353
    Cited by:  Papers (1)
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  • A Study of Heterodyne Interference

    Publication Year: 1929, Page(s):1354 - 1364
    Cited by:  Papers (3)
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  • An Outline of the Radio Inspection Service

    Publication Year: 1929, Page(s):1365 - 1376
    Cited by:  Papers (1)
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    The purpose of this paper is to present a brief history of the Radio Inspection Service of the Department of Commerce from its inception July 1, 1911, up to and including the present day, together with an outline of the scope and general nature of the work performed by this important agency of the Government. The subject matter included in this paper may, therefore. be classified as historical and... View full abstract»

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  • The Problems Centering about the Measurement of Field Intensity

    Publication Year: 1929, Page(s):1377 - 1384
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    A brief recount of some of the major contributions to radio field intensity measurement work is given, showing that these represent a great deal of the groundwork on which future developments will be based. The general problems of this sort of measurement work are discussed, as well as the equipment with which the Radio Division of the Department of Commerce expects to handle them. Typical illustr... View full abstract»

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  • The Radio Engineer's Responsibility in Coping with Man-Made Interference

    Publication Year: 1929, Page(s):1385 - 1389
    Cited by:  Papers (1)
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  • Radio Coordination

    Publication Year: 1929, Page(s):1390 - 1394
    Cited by:  Papers (1)
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Aims & Scope

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

Full Aims & Scope