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Proceedings of the Institute of Radio Engineers

Issue 2 • Date Feb. 1932

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Displaying Results 1 - 17 of 17
  • "Old Timers," San Francisco Section

    Publication Year: 1932, Page(s): 196
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  • Institute news and radio notes

    Publication Year: 1932, Page(s):197 - 212
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  • Battery Design Problems of the Air Cell Receiver

    Publication Year: 1932, Page(s):213 - 227
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1936 KB)

    The present paper deals with those design features of battery-operated radio receivers which are important from the standpoint of obtaining the maximum useful battery life. The properties of the air cell A battery are discussed with relation to receiver design. The desirability of providing adequate performance until the B batteries have fallen to a very low voltage is shown. An analysis of severa... View full abstract»

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  • The Development and Application of Marine Radio Direction Finding Equipment by the United States Coast Guard

    Publication Year: 1932, Page(s):228 - 260
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (11904 KB)

    The various problems dealt with in the evolution, development, and practical application of radio direction finding equipment by the United States Coast Guard are discussed. The equipment in use at the present time is described. Difficulties encountered with marine equipment due to the electrophysical properties of vessels are explained. The methods employed in overcoming these difficulties are de... View full abstract»

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  • Quartz Plate Mountings and Temperature Control for Piezo Oscillators

    Publication Year: 1932, Page(s):261 - 271
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3320 KB)

    In this paper are described a number of representative types of mountings for rectangular and circular quartz plates to be used as frequency standards. Unless the movement of the quartz plate in the holder is restricted, the frequency will change with each slight jar. A satisfactory holder for mounting a long rectangular quartz plate to vibrate at its extensional mode may be made by clamping the p... View full abstract»

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  • An Improved Audio-Frequency Generator

    Publication Year: 1932, Page(s):272 - 279
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2368 KB)

    This paper describes in detail the construction of an audio-frequency generator, for use in making radio-frequency measurments. The variable audio-frequency output is the beat note between two sources of radio frequency; the one a piezo oscillator, and the other a variable oscillator. The output is continuously variable from 50 to 1500 cycles per second. The entire unit is assembled very compactly... View full abstract»

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  • Solar Activity and Radiotelegraphy

    Publication Year: 1932, Page(s):280 - 285
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (608 KB)

    This report to the International Research Council on solar and radio relationships shows that the relationships are closer at short wavelengths than at long, that the effect of magnetic storms, which are assumed to be due to solar action, is, in general, to weaken night signals at all wavelengths and in the medium and long-wave ranges to strengthen day signals. Curves are given which show that the... View full abstract»

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  • Investigations of Kennelly-Heaviside Layer Heights for Frequencies between 1600 and 8650 Kilocycles per Second

    Publication Year: 1932, Page(s):286 - 309
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3376 KB)

    The results of observations of the height of the Kennelly-Heaviside layer carried out near Washington, D.C., during 1930 are presented. Evidence for the existence of two layers (corresponding closely in virtual height to the E and F regions discussed by Appleton) is found during daylight on frequencies between three and five megacycles. The modification in the virtual height of the higher F layer ... View full abstract»

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  • Frequency Stabilization of Radio Transmitters

    Publication Year: 1932, Page(s):310 - 339
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3104 KB)

    The importance of maintaining constant the frequency of radio transmitters has been universally recognized and the investigation of methods of frequency stabilization was left as a pending question after the first meeting of the C.C.I.R. The quartz-control system with thermostatic temperature control of the quartz crystal should be utilized when the highest precision (of the order of 0.001 per cen... View full abstract»

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  • Elimination of Harmonics in Vacuum Tube Transmitters

    Publication Year: 1932, Page(s):340 - 345
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (440 KB)

    A brief description is first given on the present state of technique concerning the suppression of harmonics radiated from vacuum tube transmitters. A simple method of eliminating the strongest one of the harmonics is then suggested, in which a parallel resonant circuit having its resonant frequency slightly lower than that of the harmonic to be eliminated is connected to the plate circuit and cou... View full abstract»

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  • Characteristics of Airplane Antennas for Radio Range Beacon Reception

    Publication Year: 1932, Page(s):346 - 358
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1136 KB)

    This paper gives the results of an investigation on the characteristics of airplane receiving antennas to determine whether an antenna arrangement could be devised which would have all the desirable electrical properties of the vertical pole antenna and yet be free from the mechanical difficulties encountered in the use of the pole antenna. The antennas studied include the inclined antenna with bo... View full abstract»

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  • Discussion on "A Simple Method of Harmonic Analysis for Use in Radio Engineering Practice" (Hans Roder)

    Publication Year: 1932, Page(s):359 - 362
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  • Correction

    Publication Year: 1932, Page(s): 363
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  • Book reviews

    Publication Year: 1932, Page(s): 364
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  • Bookelts, catalogs, and pamphlets received

    Publication Year: 1932, Page(s): 365
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  • Radio abstracts and references

    Publication Year: 1932, Page(s):366 - 373
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  • Contributors to this issue

    Publication Year: 1932, Page(s):374 - 375
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Aims & Scope

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

Full Aims & Scope