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Radio Engineers, Proceedings of the Institute of

Issue 6 • Date Dec. 1921

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Displaying Results 1 - 7 of 7
  • [Front cover]

    Page(s): c1
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    Freely Available from IEEE
  • Contents

    Page(s): 467
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    Freely Available from IEEE
  • General Information

    Page(s): 467
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  • Officers and Board of Direction, 1921

    Page(s): 468
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  • The Avalon-Los Angeles Radio Toll Circuit

    Page(s): 469 - 505
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    The communication facilities of Santa Catalina Island are described with special reference to the radio telephone service to the Californian mainland and the mode of connection to the wire telephone networks at the ends of the radio telephone channel. The radio telephone link is full duplex, and is connected thru special two-way repeaters to the telephone system at each end. A simultaneous duplex radio telegraph channel is available. A number of special points are discussed, such as the narrowing, by means of filters, of the side frequency bands due to modulation, the circuits of the transmitter and receiver, automatic alarm systems indicating when any portion of the radio equipment ceases to function, thru signaling system, location, and antenna and ground arrangements. The service rendered is analyzed and the results of transmission measurements are given. View full abstract»

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  • A Visual and Photographic Device for Recording Radio Signals

    Page(s): 506 - 528
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    The development of a visual and photographic recorder of the tuned vibrator type is described. The most recent forms of the instrument, together with its receiving speed possibilities and behavior toward stray disturbances, are discussed. View full abstract»

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  • Digest of United States Patents Relating to Radio Telegraphy and Telephony: Issued August 23, 1921-October 25, 1921

    Page(s): 529 - 543
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    Freely Available from IEEE

Aims & Scope

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

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