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Quality of the Received Signal Growing More Important
485
conceding that even static is to be conquered by diligence and well conceived steps rather than by any spectacular invention.
If one wants a radio set he should go and
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Radio Cftfpofatian and Army Send Pictures Over LawL Sea* iucmstuHy
Greatest Oittance Ever Scanned: First Achieve^
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buy one now. The heralded revolution in the radio industry probably will not materialize.
What is the Radio Receiver of To-morrow?
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O GREAT single step in radio progress is likely to be made in the near future. But to counteract the impression that radio is stagnant, let us look at to-morrow's radio receiver to see what we shall be buying a year from now.
The one respect in which the set of the future will outrank that of to-day is in quality of reproduction. At the transmitting stations, hundreds of thousands of dollars are being spent in improving the quality of the radio signal emitted. Scores of the very best radio engineers in the world are analyzing each minute step from the voice to the antenna, taking pictures of the currents in the various circuits and comparing them with theoretically correct forms. Exact knowledge is possible in this end of the radio channel because of the money and talent at work on the problems.
Has the reproduction of sound in the home, from the radio signal sent out by these high
radio photographic --* transmitting apparatus at honolulu
PHOTOGRAPHS BY RADIO FROM
HAWAII TO NEW YORK The map shows the number of electrical transfers the original photograph sent from the Radio Corporation high power telegraph transmitter at Kahuku, Hawaii had to undergo before it reached New York. The insert above shows how a photograph of a section of an Hawaian newspaper looked after being flashed through the ether to New York. The lower insert is a radio-transmitted photograph of soldiers on Hawaiian duty at
mess. At the time this experiment occurred, May 7, 1925, the Army-Navy "war game" was in progress, and an excellent opportunity was afforded for showing the value of that unusual kind of radio communication