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Proceedings of the Institute of Radio Engineers

Issue 10 • Date Oct. 1928

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  • [Front cover]

    Publication Year: 1928, Page(s):c1 - c2
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  • Suggestions for Contributors to the Proceedings

    Publication Year: 1928, Page(s): 1272
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  • Contents

    Publication Year: 1928, Page(s): 1273
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  • General Information

    Publication Year: 1928, Page(s): 1273
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  • Officers and Board of Direction, 1928

    Publication Year: 1928, Page(s):1274 - 1276
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  • Dinner given in honor of professor Jonathan Zenneck

    Publication Year: 1928, Page(s):1278 - 1279
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  • Contributors to this issue

    Publication Year: 1928, Page(s): 1280
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  • Institute notes and related activities

    Publication Year: 1928, Page(s):1281 - 1303
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  • Obituary [Hubert Milo Freeman]

    Publication Year: 1928, Page(s): 1304
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  • Electrical Prospecting

    Publication Year: 1928, Page(s):1305 - 1355
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (11704 KB)

    By means of electrical geophysical methods it is possible to obtain a great deal of valuable information regarding the extent, depth and general type of mineralization present on a property. It is not a question, however, of how much information may be obtained from a geophysical survey, but only a question of conducting the survey and examination to such a stage that gives the most optimum return... View full abstract»

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  • Some Studies of Radio Broadcast Coverage in the Middle West

    Publication Year: 1928, Page(s):1356 - 1367
    Cited by:  Papers (3)
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    Studies of the radio field intensities produced by broadcasting stations throughout the states of North and South Dakota and Minnesota have been made. From these studies and from information concerning the service rendered standards of service based upon field intensities have been suggested for daylight broadcasting in rural communities. Data concerning the distribution of radio sets throughout t... View full abstract»

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  • A Study of Short-Time Multiple Signals

    Publication Year: 1928, Page(s):1368 - 1374
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3112 KB)

    The echos or multiples of the direct signals from a transmitting station which arrive shortly after the main signal are due to direct-reflection from the Kennelly-Heaviside layer. Those arriving after considerable time (about one-seventh of a second) have travelled around the world. This paper deals with new, intermediate types of multiple signals which arrive at the receiving station from 0.01 to... View full abstract»

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  • A New Method for Determining the Efficiency of Vacuum-Tube Circuits

    Publication Year: 1928, Page(s):1375 - 1383
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2480 KB)

    A new method for determining efficiency of vacuum-tube circuits at both high and low frequencies has been described. This method consists of the application of a surface pyrometer which indicates the temperature of the glass walls of a vacuum tube. Readings are made of the temperature of the tube walls when the circuit is oscillating together with notation of d.c. plate watts input and then oscill... View full abstract»

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  • Some Principles of Grid-Leak Grid-Condenser Detection

    Publication Year: 1928, Page(s):1384 - 1397
    Cited by:  Papers (5)
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    The action taking place in the grid-leak, grid-condenser method of detection is reduced to an equivalent circuit consisting of the grid-leak condenser impedance in series with the dynamic grid resistance. The effect of applying a signal voltage to the detector, as far as the rectified grid current is concerned, can be represented by the introduction in the equivalent circuit of a fictitious voltag... View full abstract»

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  • Simple Inductance Formulas for Radio Coils

    Publication Year: 1928, Page(s):1398 - 1400
    Cited by:  Papers (92)  |  Patents (2)
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    First Page of the Article
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  • A Gang Capacitor Testing Device

    Publication Year: 1928, Page(s):1401 - 1403
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (624 KB)

    Testing equipment for gang capacitors for factory inspection must be simple, accurate, and reliable in operation. The test described uses two oscillating circuits, one of which is tuned by each unit of the capacitor gang in succession. The arrangement is such that the first unit acts as a standard for the other units. The zero beat method of measurement is used. The other oscillator is tuned separ... View full abstract»

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  • Radiotelegraphic Center at Rome (San Paolo)

    Publication Year: 1928, Page(s):1404 - 1421
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5568 KB)

    The radiotelegraphic station at San Paolo constitutes the first and largest continuous wave radiotelegraphic installation (Poulsen arc of 250 kilowatts) constructed in Italy in 1917. The service with the Poulsen arc, which has been completely satisfactory, reached its greatest development in 1922, in which year there were transmitted 2,175,000 paid words directly to stations in East Africa, United... View full abstract»

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  • Discussion on On the Distortionless Reception of a Modulated Wave and Its Relation to Selectivity (F. K. Vreeland)

    Publication Year: 1928, Page(s): 1422
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  • A Decimal Classification of Radio Subjects; An Extension of the Dewey System

    Publication Year: 1928, Page(s):1423 - 1428
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    First Page of the Article
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  • Book review

    Publication Year: 1928, Page(s): 1429
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  • Monthly list of references to current radio literature

    Publication Year: 1928, Page(s):1430 - 1431
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (221 KB)

    This is a monthly list of references prepared by the Bureau of Standards and is intended to cover the more important papers of interest to professional radio engineers which have recently appeared in periodicals, books, etc. The number at the left of each reference classifies the reference by subject in accordance with the scheme presented in "A Decimal Classification of Radio Subjects - An Extens... View full abstract»

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  • Geographical Location of Members Elected September 5, 1928

    Publication Year: 1928, Page(s):1432 - 1434
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  • Applications for Membership

    Publication Year: 1928, Page(s):1435 - 1436
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Aims & Scope

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

Full Aims & Scope