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Proceedings of the Institute of Radio Engineers

Issue 3 • March 1928

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

    Publication Year: 1928, Page(s):c1 - c2
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  • Contents

    Publication Year: 1928, Page(s): 227
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  • General Information

    Publication Year: 1928, Page(s): 227
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  • Officers and Board of Direction, 1928

    Publication Year: 1928, Page(s):228 - 229
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  • Institute sections

    Publication Year: 1928, Page(s): 230
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  • Alfred N. Goldsmith [President of the Institute , 1928]

    Publication Year: 1928, Page(s):232 - 233
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  • Contributors to this issue

    Publication Year: 1928, Page(s):234 - 235
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  • Institute activities

    Publication Year: 1928, Page(s):236 - 245
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  • Engineering Societies Building: New quarters of the Institute

    Publication Year: 1928, Page(s):246 - 247
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  • Obituary [Robert Loughry]

    Publication Year: 1928, Page(s): 248
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  • Opening Address of Ralph Bown Retiring President

    Publication Year: 1928, Page(s):249 - 251
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  • Address of Dr. Alfred N. Goldsmith

    Publication Year: 1928, Page(s):252 - 254
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  • On the Distortionless Reception of a Modulated Wave and Its Relation to Selectivity

    Publication Year: 1928, Page(s):255 - 280
    Cited by:  Papers (3)
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    The importance of overtones in the faithful reproduction of speech and music. Overtones are transmitted by the extreme side bands of a modulated wave. Distortionless reception of the full side bands necessary for faithful reproduction. Crowding of the air channels brings adjacent waves into such close juxta-position that selectivity demands a sharp cut-off at the limits of the band. Selectivity by... View full abstract»

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  • Direct Coupled Detector and Amplifiers with Automatic Grid Bias

    Publication Year: 1928, Page(s):281 - 286
    Cited by:  Papers (2)
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    A system for direct coupling of vacuum tubes to give composite detection and amplification is described. The system is designed to avoid frequency discrimination in amplifying audio frequency, and to be free from electrical and acoustical feed-back effects. High-μ tubes are used to control the output of the power amplifier through the aid of the very high filament-to-plate impedance of such t... View full abstract»

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  • Discussion

    Publication Year: 1928, Page(s): 286
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  • On Round-the-World Signals

    Publication Year: 1928, Page(s):287 - 289
    Cited by:  Papers (1)
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  • Measurements of the Effective Heights of the Conducting Layer and the Disturbances of August 19, 1927

    Publication Year: 1928, Page(s):290 - 296
    Cited by:  Papers (4)
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    An account is given of further improvements in the echo method of observing effective heights of the reflecting layer. A table of values is given showing effective heights at various times of day from August 15 to 25, 1927, covering a period of general disturbance in transmission phenomena. The table shows an increase of height after the disturbance as compared with the days preceding it. The data... View full abstract»

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  • Correlation of Long Wave Transatlantic Radio Transmission with Other Factors Affected by Solar Activity

    Publication Year: 1928, Page(s):297 - 347
    Cited by:  Papers (13)
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    Phenomena usually thought of as being affected by solar activity are: Sun spots, solar constant, earth's magnetic field, atmospheric electricity, auroras, earth currents, and, as has been recently shown, radio transmission. In order to correlate these with each other, the daily character of each must be reduced to some single figure. The factors which lend themselves most easily to quantitative co... View full abstract»

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  • Report of the Chairman of the Commission on Radio Wave Propagation, International Union of Scientific Radio Telegraphy

    Publication Year: 1928, Page(s):348 - 358
    Cited by:  Papers (4)
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  • Discussion on Long Distance Radio Receiving Measurements at the Bureau of Standards in 1925 (L.W. Austin)

    Publication Year: 1928, Page(s):359 - 360
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    In previous discussions of the above named work (ibid., vol 14, pp 663, 1926) the observations on Madras (Fort) Radio were found to be too brief for a good comparison with terrestrial and cosmic elements. The present discussor's observations taken in the Far East on Rugby's transmissions cover rather longer periods than those given by K. Sreenivasan (ibid., vol 15, pp 155, 1927) and may perhaps be... View full abstract»

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  • Notes on the Design of Radio Insulators

    Publication Year: 1928, Page(s):361 - 372
    Cited by:  Papers (2)
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  • The Measurement of Choke Coil Inductance

    Publication Year: 1928, Page(s):373 - 384
    Cited by:  Papers (1)
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    The investigation described has emphasized the facts that: (1) The inductance of the choke coil depends upon the degree to which its core is magnetically saturated because of direct current flowing through its winding. (2) With a given direct current flowing through the winding of a choke coil, the inductance varies to a marked extent with the magnitude of the alternating current flowing through t... View full abstract»

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  • Book review

    Publication Year: 1928, Page(s): 385
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  • Geographical Location of Members Elected February 1, 1928

    Publication Year: 1928, Page(s):386 - 387
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  • Digest of United States Patents relating to radio telegraphy and telephony

    Publication Year: 1928, Page(s): 388
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Aims & Scope

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

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