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Proceedings of the Institute of Radio Engineers

Issue 10 • Date Oct. 1933

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  • [Front cover]

    Publication Year: 1933, Page(s): c1
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  • Institute of Radio Engineers - Forthcoming Meetings

    Publication Year: 1933, Page(s): c2
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  • Contents

    Publication Year: 1933, Page(s): i
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  • General Information

    Publication Year: 1933, Page(s): ii
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  • Institute sections

    Publication Year: 1933, Page(s): iii
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  • Geographical Locations of Members Elected September 12, 1933

    Publication Year: 1933, Page(s): iv
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  • Applications for Membership

    Publication Year: 1933, Page(s): v
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  • Officers and Board of Directors, 1933

    Publication Year: 1933, Page(s): vi
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  • Committees of the Institute of Radio Engineers, 1933

    Publication Year: 1933, Page(s):vii - viii
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  • Institute news and radio notes

    Publication Year: 1933, Page(s):1383 - 1386
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  • Electrical Disturbances Apparently of Extraterrestrial Origin

    Publication Year: 1933, Page(s):1387 - 1398
    Cited by:  Papers (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2024 KB)

    Electromagnetic waves of an unknown origin were detected during a series of experiments on atmospherics at high frequencies. Directional records have been taken of these waves for a period of over a year. The data obtained from these records show that the horizontal component of the direction of arrival changes approximately 360 degrees in about 24 hours in a manner that is accounted for by the da... View full abstract»

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  • A Piezo-Electric Loud Speaker for the Higher Audio Frequencies

    Publication Year: 1933, Page(s):1399 - 1408
    Cited by:  Papers (5)
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  • A Compact, Alternating-Current Operated Speech Input Equipment

    Publication Year: 1933, Page(s):1409 - 1418
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2808 KB)

    This paper describes a simple, easily installed, alternating-current operated, speech input equipment primarily intended for installation as studio equipment for local channel broadcast stations or for permanent installation at outside pick-up points frequently used by large broadcast stations. The features of this equipment are the use of moving coil microphones, the inclusion of high quality, hi... View full abstract»

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  • Report of Committee on Radio Propagation Data

    Publication Year: 1933, Page(s):1419 - 1438
    Cited by:  Papers (3)
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  • The Calculation of Harmonic Production in Thermionic Valves with Resistive Loads

    Publication Year: 1933, Page(s):1439 - 1446
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (528 KB)

    Formulas are obtained for the amplitudes of harmonic components and the direct-current change in the anode current of thermionic valves operating with resistive loads. These expressions for components up to the sixth harmonic are given in terms of points taken from the load line on the anode-voltage-anode-current characteristics at equally spaced intervals of grid voltage. View full abstract»

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  • Attenuation of Overland Radio Transmission in the Frequency Range 1.5 to 3.5 Megacycles per Second

    Publication Year: 1933, Page(s):1447 - 1462
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4024 KB)

    Data on the effect of land upon radio transmission have been obtained during the past few years in connection with various site surveys. These data are for the general frequency range 1.5 to 3.5 megacycles per second and for various combinations of overwater and overland transmission as well as entirely overland. The generalizations in this paper are chiefly in the form of curves which enable one ... View full abstract»

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  • Continuous Measurements of the Virtual Heights of the Ionosphere

    Publication Year: 1933, Page(s):1463 - 1475
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    This paper is a report of continuous measurements of the virtual heights of the ionized regions of the upper atmosphere. Short pulses of radio-frequency energy are sent out by a transmitter operating on 4100 kilocycles per second. The time interval required for the pulses to go up to the ionosphere and back is recorded photographically in the same room by means of an oscillograph. The revolving mi... View full abstract»

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  • Audio-Frequency Atmospherics

    Publication Year: 1933, Page(s):1476 - 1494
    Cited by:  Papers (4)
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    Various types of musical and nonmusical atmospherics occurring within the frequency range lying between 150 and 4000 cycles have been studied. Particular attention is directed to two types of the former, one a short damped oscillation, apparently a multiple reflection phenomenon, and the other a varying tone of comparatively long duration, probably related to magnetic disturbances. Several quasi m... View full abstract»

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  • Note on New Methods to Modulate Light

    Publication Year: 1933, Page(s):1495 - 1496
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  • Discussion on "Supervisory and Control Equipment for Audio-Frequency Amplifiers" (Harry Sohon)

    Publication Year: 1933, Page(s): 1497
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  • Book reviews

    Publication Year: 1933, Page(s):1498 - 1499
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  • Radio abstracts and references

    Publication Year: 1933, Page(s):1500 - 1510
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  • Contributors to this issue

    Publication Year: 1933, Page(s):1511 - 1512
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Aims & Scope

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

Full Aims & Scope