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Proceedings of the Institute of Radio Engineers

Issue 12 • Date Dec. 1930

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Displaying Results 1 - 25 of 28
  • [Front cover]

    Publication Year: 1930, Page(s): c1
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  • Institute of Radio Engineers - Forthcoming Meetings

    Publication Year: 1930, Page(s): c2
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  • Contents

    Publication Year: 1930, Page(s): i
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  • General Information

    Publication Year: 1930, Page(s): ii
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  • Suggestions for Contributors to the Proceedings

    Publication Year: 1930, Page(s): iii
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  • Institute sections

    Publication Year: 1930, Page(s): iv
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  • Geographical Location of Members Elected November 5, 1930

    Publication Year: 1930, Page(s):v - vi
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  • Applications for Membership

    Publication Year: 1930, Page(s):vii - ix
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  • Officers and Board of Direction, 1930

    Publication Year: 1930, Page(s): x
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  • Peder Oluf Pedersen

    Publication Year: 1930, Page(s): 1984
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  • Institute news and radio notes

    Publication Year: 1930, Page(s):1985 - 1994
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  • Solar and Magnetic Activity and Radio Transmission

    Publication Year: 1930, Page(s):1995 - 2002
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    In this paper curves are shown indicating a connection between the annual averages of sun spot numbers and daylight radio signal strength of Nauen, Germany, as received in Washington from 1915 to 1929. The curves of the monthly averages of sun spots and daylight transatlantic signals for the years 1924-1929 show little evidence of correlation. On the other hand, the correlation between these month... View full abstract»

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  • Temperature Control for Frequency Standards

    Publication Year: 1930, Page(s):2003 - 2010
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2200 KB)

    A brief summary of the factors influencing the stability of temperature-control assemblies, in which control is obtained by adding heat and without the use of circulating mechanisms, is given. These factors include the degree of insulation; rate of application and method of distribution of heat; sensitivity, regularity of operation, and position of thermostat; degree of "ripple" attenuation; and t... View full abstract»

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  • Some Experiences with Short-Wave Wireless Telegraphy

    Publication Year: 1930, Page(s):2011 - 2031
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2968 KB)

    An analysis is given of the factors that may be expected to determine the transmission phenomena peculiar to any given short-wave channel. It is considered that the wavelength that will give the greatest probability of satisfactory communication is determined by (a) the great circle distance between sender and receiver, (b) the geographical positions of the stations, (c) the time of year, and (d) ... View full abstract»

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  • Basis Established by the Federal Radio Commission for the Division of Radio Broadcast Facilities within the United States

    Publication Year: 1930, Page(s):2032 - 2040
    Cited by:  Papers (1)
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    First Page of the Article
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  • A Study of the High-Frequency Resistance of Single Layer Coils

    Publication Year: 1930, Page(s):2041 - 2058
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1592 KB)

    Existing formulas for the high-frequency resistance of single layer coils have all been obtained by making simplifying assumptions. The errors due to these assumptions are difficult to estimate and the data available are not conclusive. This paper gives the experimental results of a systematic study of the highfrequency resistance of single layer coils of the forms and sizes usual in radio circuit... View full abstract»

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  • The Development of a Visual Type of Radio Range Transmitter Having a Universal Application to the Airways

    Publication Year: 1930, Page(s):2059 - 2101
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (7608 KB)

    This paper deals with the development of a visual type of radio range which has universal application to the civil airways of the United States. Following a discussion of the relative merits of the aural and visual systems of course indication, the theory of the production of twelve courses by utilizing a three-phase radio-frequency source is presented, followed by a general description of the tra... View full abstract»

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  • Reduction of Distortion and Cross-Talk in Radio Receivers by Mean of Variable-Mu Tetrodes

    Publication Year: 1930, Page(s):2102 - 2127
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3576 KB)

    In attempting to control the audio output of a radio receiver employing the present types of tubes by varying the control-grid bias or screen-grid voltage distortion, due to nonlinearity of the output-input voltage relation for the tube, and cross-talk are encountered at the higher signal voltages. Both effects are largely due to the rapid increase in the higher-order curvature parameters of the t... View full abstract»

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  • Summary of Piezo-Electric Crystal Conference Held by U.S. Navy Department, December 3-4, 1929

    Publication Year: 1930, Page(s):2128 - 2135
    Cited by:  Papers (1)
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  • Piezo-Electric Terminology

    Publication Year: 1930, Page(s):2136 - 2142
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (720 KB)

    The following familiar terms are first recapitulated: direct and converse piezo-electric effects, longitudinal and transverse effects, longitudinal, transverse, flexural, and torsional vibrations. It is suggested that when the bending of a bar or plate is involved, the term "flexural" rather than "transverse" be adopted. With reference to quartz crystals, the terms "X-cut" and "Y-cut" are recommen... View full abstract»

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  • Aviation Communication

    Publication Year: 1930, Page(s):2143 - 2159
    Cited by:  Papers (1)
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    This paper deals with the different functions of radio in the field of aviation. Requirements encountered in the design of suitable equipment are indicated and details given of equipment now operating commercially. View full abstract»

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  • Some Properties of Grid Leak Power Detection

    Publication Year: 1930, Page(s):2160 - 2175
    Cited by:  Papers (6)
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    It is shown theoretically that grid leak power detection can be obtained without undue distortion provided the grid condenser reactance X to the modulation frequency, and the grid leak resistance R are related to the degree of modulation m in such a way that X/ R . m/ V1 -iM2. The load limit of the grid leak power detector is the point where plate rectification becomes appreciable, i. e., when the... View full abstract»

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  • Advances in Transoceanic Cable Technique

    Publication Year: 1930, Page(s):2176 - 2191
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1736 KB)

    Progress in the construction of transatlantic cables is described from the earliest to the most recent type, which operates at 1400 letters per minute. Without technical detail the development of cable operating mechanisms is sketched indicating the improvement which resulted from the use of relays, magnifiers, and regenerators. The application to the cable art of landline multiplex telegraph prac... View full abstract»

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  • Book reviews

    Publication Year: 1930, Page(s):2192 - 2193
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  • Bookelts, catalogs, and pamphlets received

    Publication Year: 1930, Page(s): 2194
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Aims & Scope

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

Full Aims & Scope