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Radio Engineers, Proceedings of the Institute of

Issue 3 • Date June 1926

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  • [Front cover]

    Publication Year: 1926 , Page(s): c1 - c2
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  • Contents

    Publication Year: 1926 , Page(s): 271
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  • General Information

    Publication Year: 1926 , Page(s): 271
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  • Officers and Board of Direction, 1926

    Publication Year: 1926 , Page(s): 272
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  • Committees of the Institute of Radio Engineers, 1926

    Publication Year: 1926 , Page(s): 273
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  • Institute activities

    Publication Year: 1926 , Page(s): 274 - 280
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  • Addresses at the First Convention of the Institute of Radio Engineers, New York, January 18 and 19, 1926

    Publication Year: 1926 , Page(s): 281 - 290
    Cited by:  Papers (2)
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  • Main Considerations in Antenna Design

    Publication Year: 1926 , Page(s): 291 - 323
    Cited by:  Papers (4)
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  • Maintaining a Constant Reading on an Ammeter in the Filament Battery Circuit of a Thermionic Triode

    Publication Year: 1926 , Page(s): 325 - 331
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    The distribution of current along the filament of a thermionic valve is not constant on account of the emission which takes place from the filament to the anode. When the valve is not emitting, ammeters in each filament lead read the same value, but when emitting they are necessarily different, and for the usual methods of connection between the anode battery and filament they are also both different from the non-emitting reading. For accurate tests it is necessary to have a constant reading for comparative tests, and as the filament current cannot be maintained constant, a circuit has been devised in which there is no change on either ammeter reading when the anode battery is switched on. This is the filament battery current, which, when constant for the cases of non-emitting and emitting, provides a standard for comparison between different tests. View full abstract»

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  • Portable Receiving Sets for Measuring Field Strengths at Broadcasting Frequencies

    Publication Year: 1926 , Page(s): 333 - 344
    Cited by:  Papers (5)
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  • Sources of "A," "B" and "C" Power for Radio Receivers

    Publication Year: 1926 , Page(s): 345 - 372
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    This paper describes and gives characteristics of the various present-day sources of "A," "B," and "C" power for radio receivers, namely, storage batteries, dry primary batteries, trickle-charge power units and battery substitute devices. The development of radio storage batteries from the earliest types up to the highly-specialized radio "A" and "B" batteries of today having built-in charge indicators, visible water level and spray-proof construction is traced and information is given on "A" socket power units containing such batteries in combination with newly-developed trickle chargers. Announcement is made of a perfected aluminum electrolytic rectifier. "B" battery substitutes embodying this rectifier are described and their electrical characteristics are given. Rectifiers and smoothing filters generally and their application to radio uses are discussed. View full abstract»

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  • Direction Determinations of Atmospheric Disturbances on the Isthmus of Panama

    Publication Year: 1926 , Page(s): 373 - 376
    Cited by:  Papers (1)
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  • Preliminary Note on Proposed Changes in the Constants of the Austin-Cohen Transmission Formula

    Publication Year: 1926 , Page(s): 377 - 380
    Cited by:  Papers (3)
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  • Choice of Power for a Radio Station

    Publication Year: 1926 , Page(s): 381 - 389
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    The cost of a radio station may be looked upon as the combined value of the buildings, the generating machinery, and the antenna with its masts and ground connection. It is shown in this paper that, for a given radio transmission, the necessary power P in the antenna and the effective height h of the antenna are connected by an equation P = a+bh2. By means of this formula, the cost of the antenna and the masts, as a function of their dimensions, may be expressed as a function of the power, hence all the curves of cost may be combined graphically. The resulting curve of total cost clearly shows that there is some power for which the cost of a radio transmitter is a minimum. A method is also given for choice of power by which the annual expenses are a minimum. The methods described above are illustrated by a determination of the power in the antenna and the heights of the masts for a radio station with a range of 3,000 km. and operating on an optimum wave length of 5,070 m. In this instance, the power for the least outlay is 30 kw. and for the lowest annual expenses, 20 kw. View full abstract»

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  • Discussion on "Polarization of Radio Waves", by Greenleaf W. Pickard

    Publication Year: 1926 , Page(s): 391 - 393
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  • Discussion on "The Shielded Neutrodyne Receiver," by Dreyer and Manson

    Publication Year: 1926 , Page(s): 395 - 412
    Cited by:  Papers (3)
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  • Digests of United States Patents relating to radio telegraphy and telephony

    Publication Year: 1926 , Page(s): 413 - 421
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Aims & Scope

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

Full Aims & Scope