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Proceedings of the Institute of Radio Engineers

Issue 11 • Date Nov. 1937

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  • [Front cover]

    Publication Year: 1937, Page(s): c1
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  • Institute of Radio Engineers - Forthcoming Meetings

    Publication Year: 1937, Page(s): c2
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  • Contents

    Publication Year: 1937, Page(s): i
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  • General Information

    Publication Year: 1937, Page(s): ii
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  • Institute sections

    Publication Year: 1937, Page(s): iii
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  • Geographical Location of Members Elected October 6, 1937

    Publication Year: 1937, Page(s): iv
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  • Applications for Membership

    Publication Year: 1937, Page(s): v
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  • Officers and Board of Directors

    Publication Year: 1937, Page(s): vi
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  • Institute news and radio notes

    Publication Year: 1937, Page(s):1359 - 1366
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  • Correction

    Publication Year: 1937, Page(s): 1366
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  • An Electrodynamic Ammeter for Use at Frequencies from One to One Hundred Megacyles

    Publication Year: 1937, Page(s):1367 - 1374
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1544 KB)

    Although thermoammeters are used universally for measuring current at high frequencies, there has been until recently no independent method of checking their accuracy. The electrodynamic ammeter was developed to meet this need by providing a standard, based on an entirely different principle of operation. It gives an absolute method for the measurement of current at frequencies above a megacycle. ... View full abstract»

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  • Some Notes on Rain Static in Japan

    Publication Year: 1937, Page(s):1375 - 1380
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (376 KB)

    First Page of the Article
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  • A Thermal Method for Measuring Efficiencies at Ultra-High Frequencies Applied to the Magnetron Oscillator

    Publication Year: 1937, Page(s):1381 - 1386
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (864 KB)

    Efficiency measurements at ultra-high frequencies are briefly discussed. A method which uses a thermocouple located within the tube envelope as an indicator is described, and theory and results for the magnetron oscillator of dynatron type are given. View full abstract»

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  • A Low Distortion Audio-Frequency Oscillator

    Publication Year: 1937, Page(s):1387 - 1398
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1120 KB)

    In the first portion of this paper, which deals with the theory of negative resistance oscillators, it is shown that for small harmonic content the form of the negative resistance characteristic in the vicinity of the operating point should be such that the average negative resistance increases with amplitude of oscillation. It is then shown that Turner's Kallirotron circuit has negative resistanc... View full abstract»

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  • An Analysis of Admittance Neutralization by Means of Negative Transconductance Tubes

    Publication Year: 1937, Page(s):1399 - 1413
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    The reduction of capacitance by feedback from the anode of a negative transconductance tube has frequently been considered an attractive method for compensating for the drop in impedance at high frequencies of a circuit consisting of R and C in parallel. Experimentally, however, the results of previous investigators have never been exceptional. This paper presents a theoretical analysis of the pro... View full abstract»

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  • On the Ionization of the F2Region

    Publication Year: 1937, Page(s):1414 - 1418
    Cited by:  Papers (1)
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    In this paper the available data on F2region ionization for Peru, Australia, and this country are analyzed in a way that permits the separation of effects due to variations in solar ionizing force from effects due to seasonal and annual changes. It is shown that for constant solar activity the expected curves of critical frequency for Australia and this country appear to indicate both s... View full abstract»

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  • Electromagnetic Wave Fields near the Earth's Surface

    Publication Year: 1937, Page(s):1419 - 1456
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3848 KB)

    It is shown that in the case of frequencies where the ground wave is of importance any indirect waves can be investigated by keeping within the "sky-wave furrow" of the directional pattern of a loop receptor. Observations indicate multiple downcoming waves in the daytime, with marked changes occurring toward sunset. Conditions during the day are as a rule steady and sometimes resume their steadine... View full abstract»

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  • Transmission Theory of Plane Electromagnetic Waves

    Publication Year: 1937, Page(s):1457 - 1492
    Cited by:  Papers (18)
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    This paper deals with transmission theory of plane electromagnetic waves in free space and in cylindrical regions of arbitrary cross section. Transmission properties of such waves can be expressed very simply in the same terms as the properties of electric waves guided by a pair of parallel wires. The earlier parts of the paper are concerned with general theorems and the latter parts with their ap... View full abstract»

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  • Characteristics of the Ionosphere at Washington, D.C., September, 1937

    Publication Year: 1937, Page(s):1493 - 1496
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    Data on the ordinary-wave critical frequencies and virtual heights of the ionospheric layers are presented for the period indicated in the title. The monthly average values of the maximum usable frequencies for undisturbed days, for radio transmission by way of the regular layers is also provided. View full abstract»

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  • Book reviews

    Publication Year: 1937, Page(s):1497 - 1498
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  • Booklets, catalogs and pamphlets received

    Publication Year: 1937, Page(s):1499 - 1502
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  • Contributors to this issue

    Publication Year: 1937, Page(s):1503 - 1504
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Aims & Scope

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

Full Aims & Scope