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Proceedings of the Institute of Radio Engineers

Issue 6 • Dec. 1919

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Displaying Results 1 - 11 of 11
  • [Front cover]

    Publication Year: 1919, Page(s): c1
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    Freely Available from IEEE
  • Information about the Society

    Publication Year: 1919, Page(s):555 - 556
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  • Contents

    Publication Year: 1919, Page(s): 557
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  • Officers and Board of Direction, 1919

    Publication Year: 1919, Page(s): 558
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    Freely Available from IEEE
  • Long Wave Reception and the Elimination of Strays on Ground Wires (Subterranean and Submarine)

    Publication Year: 1919, Page(s):559 - 583
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2312 KB)

    The question of optimum length of (buried) ground wires for reception at a given wave length is discussed, and experimental data are given. The signal strength obtainable on such wires under various conditions is considered. The signal-to-stray ratio on ground wires as compared to that on loop receivers (rectangles) is found to be more advantageous, particularly under carefully chosen conditions. ... View full abstract»

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  • An Oscillation Source for Radio Receiver Investigations

    Publication Year: 1919, Page(s):584 - 602
    Cited by:  Papers (1)
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    A source of long-wave, sustained oscillations, for use in connection with investigations on radio receivers, and providing standard controllable signals of the same character as those due to actual radio signals, is considered. Heretofore, such sources have had the disadvantages that they necessitated the measurement of small "received currents," and also, that considerable interference was caused... View full abstract»

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  • On the Detecting Efficiency of the Thermionic Detector

    Publication Year: 1919, Page(s):603 - 632
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4032 KB)

    There is described a method of determining the detecting efficiency of vacuum tubes by feeding them with radio frequency current modulated at audio frequency. The theory of the method is given. In connection with such measurement, the use of a receiver shunt calibrated in terms of miles of "standard number 19 gauge cable" is advocated. For producing the radio frequency current for such measurement... View full abstract»

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  • Discussion

    Publication Year: 1919, Page(s):633 - 635
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  • Harmonic Oscillations in Directly Excited Antennas Used in Radio Telegraphy

    Publication Year: 1919, Page(s):636 - 647
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1120 KB)

    Using a symmetrically excited artificial antenna consisting of two long coils with a spark gap between them, the author measures the frequencies, decrements, and the relative amplitudes of the fundamental current and of each of the harmonics. It is found that the theoretical rectangular wave, travelling along the antenna, is modified in form, particularly if the spark is fairly persistent. Numeric... View full abstract»

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  • Re-Enforced Harmonics in High Power Arc Transmitters

    Publication Year: 1919, Page(s):648 - 651
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (248 KB)

    A Poulsen arc in the antenna will give rise to a series of non-harmonic oscillations of shorter wave length, some of which may cause troublesome interference with nearby short-wave receiving stations. The effect is explained, and a method of reducing such interference by the use of a suitably tuned absorbing circuit coupled to the transmitting antenna is given. View full abstract»

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  • Further Discussion on "Electrical Oscillations in Antennas and Induction Coils" by John M. Miller

    Publication Year: 1919, Page(s):652 - 654
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    Presents discussions of the above-named paper. View full abstract»

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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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