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Proceedings of the Institute of Radio Engineers

Issue 7 • Date July 1929

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  • [Front cover]

    Publication Year: 1929, Page(s):c1 - c2
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  • Contents

    Publication Year: 1929, Page(s): 1071
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  • General Information

    Publication Year: 1929, Page(s): 1072
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  • Suggestions for Contributors to the Proceedings

    Publication Year: 1929, Page(s): 1073
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  • Institute sections

    Publication Year: 1929, Page(s): 1074
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  • C.B. Jolliffe [Chairman, 1929 Convention Committee]

    Publication Year: 1929, Page(s): 1076
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  • Institute news and radio notes

    Publication Year: 1929, Page(s):1077 - 1092
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  • Geographical Location of Members Elected June 5, 1929

    Publication Year: 1929, Page(s):1093 - 1095
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  • Applications for Membership

    Publication Year: 1929, Page(s):1096 - 1097
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  • Officers and Board of Direction, 1929

    Publication Year: 1929, Page(s):1098 - 1099
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  • A High Precision Standard of Frequency

    Publication Year: 1929, Page(s):1101 - 1122
    Cited by:  Papers (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6456 KB)

    A new standard of frequency is described in which three 100,000-cycle quartz crystal-controlled oscillators of very high constancy are employed. These are interchecked automatically and continuously with a precision of about one part in one hundred million. They are checked daily in terms of radio time signals by the usual method employing a clock controlled by current maintained at a sub-multiple... View full abstract»

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  • Observations on Modes of Vibration and Temperature Coefficients of Quartz Crystal Plates

    Publication Year: 1929, Page(s):1123 - 1141
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2104 KB)

    The characteristics of piezo-electric quartz crystal plates of the perpendicular or Curie cut are compared with parallel or 30-deg. cut plates with reference to the type of vibration of the most active modes, the frequency of these modes as a function of the dimensions, and the magnitude and sign of the temperature coefficients of these frequencies. It is pointed out that the two principle modes o... View full abstract»

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  • The Kyle Condenser Loud Speaker

    Publication Year: 1929, Page(s):1142 - 1152
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1496 KB)

    By using the Kyle principle of construction, it has been possible to develop a practicable condenser loud speaker. The Kyle construction uses a flexible dielectric diaphragm in contact with the high points of a rigid, undulated metal plate. The electrodes of the condenser are the rigid plate and a flexible metal layer attached to the opposite surface of the dielectric. A comparatively large actuat... View full abstract»

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  • Detection at High Signal Voltages. Part 1: Plate Rectification with the High-Vacuum Triode

    Publication Year: 1929, Page(s):1153 - 1177
    Cited by:  Papers (12)
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    First Page of the Article
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  • Transmitting Antennas for Broadcasting

    Publication Year: 1929, Page(s):1178 - 1184
    Cited by:  Papers (5)
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  • Correlation of Directional Observations of Atmospherics with Weather Phenomena

    Publication Year: 1929, Page(s):1185 - 1191
    Cited by:  Papers (4)
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  • Experiments in Recording Radio Signal Intensity

    Publication Year: 1929, Page(s):1192 - 1205
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1584 KB)

    The paper describes briefly the method of recording the strength of long-wave radio signals used at the Bureau of Standards and gives some of the results obtained. The curves shown indicate the great variability of the wave propagation both in regard to strength and the angle of incidence of the downcomning wave. This variability appears to be greater for transmission distances below 1000 km than ... View full abstract»

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  • The Relation of Radio Propagation to Disturbances in Terrestrial Magnetism

    Publication Year: 1929, Page(s):1206 - 1213
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1096 KB)

    This paper presents the results of a study of an apparent inter-relationship between radio reception and changes in the earth's magnetism. The results show that for long-wave daylight reception over great distances 4,000 to 7,100 km) there is in general a variable but definite increase in the intensity of the received signal following the height of severe magnetic disturbance. This increase reache... View full abstract»

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  • Some Measurements on the Directional Distribution of Static

    Publication Year: 1929, Page(s):1214 - 1224
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2872 KB)

    The utility of directional data on static is shown, and two types of apparatus devised for such a directional investigation are compared. It is shown that a method which gives the direction of individual crashes is superior to integrating methods. The distribution of thunderstorms over the world is discussed, and comparisons are drawn between this distribution and the observed directional distribu... View full abstract»

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  • The Routine Measurement of the Operating Frequencies of Broadcast Stations

    Publication Year: 1929, Page(s):1225 - 1239
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3328 KB)

    The method of making "zero beat" measurements of the operating frequencies of broadcast stations in the Second Radio District is described, showing the method of comparing the received signal from a broadcasting station with a signal of known frequency, obtained from a 10-kc multivibrator controlled by a 90-kc quartz crystal. There is also given a description of the method used in reducing the mea... View full abstract»

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  • East-West and North-South Attenuations of Long Radio Waves on the Pacific

    Publication Year: 1929, Page(s):1240 - 1247
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (920 KB)

    A comparative study of low-frequency signals of high power stations in the Pacific area has been made, with particular reference to relative attenuation in north and south directions as compared with attenuattons in east and west directions. A comparison of observed field strengths in microvolts per meter with the results calculated by various proposed formulas has been made. While the agreement i... View full abstract»

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  • Book review

    Publication Year: 1929, Page(s): 1248
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  • Monthly list of references to current radio literature

    Publication Year: 1929, Page(s):1249 - 1253
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (595 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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  • Contributors to this issue

    Publication Year: 1929, Page(s):1254 - 1256
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Aims & Scope

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

Full Aims & Scope