Radio broadcast .. (1922-30)

Record Details:

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The March of Radio 893 cast range, none has an average deviation from its specified frequency by more than two tenths per cent. This means an accuracy much better than that to which the dial of the ordinary receiver can be set. Here are the stations: wwj Detroit WCAP Washington WSB Atlanta WGY Schenectady WBZ Springfield KDKA Pittsburgh 580 kilocycles 640 700 790 890 920 " Of course for any one within hearing distance of the Bureau of Standards Station, wwv in Washington, or station 6xBM at Stanford University, their standard wavelength signals periodically sent out on a definite schedule, are even more useful for calibrating purposes. A New Toll Broadcaster IO ANY ONE having an interest in economics it is a puzzle to discover the raison d'etre for some of our broadcasting stations. We are told by some news T paper men that the use of their broadcasting station for the dissemination of news seems to have actually decreased their circulation, besides costing them at least $25,000 a year for maintenance. There has been some talk that soon there will be no more broadcasting licenses issued and they don't want to be on the outside when such a situation arises: It may turn out that broadcasting will prove profitable at some time in the future. Why does a street railways system, for example, want to operate a broadcasting station? It is difficult to see how it will make people ride in the street cars any more, as a result of the operation of the company's station. To the ordinary business man there is one type of station that might give a real reason for existing, that is, the station which attempts to pay its way by renting its facilities to clients who wish to have their name and products gently called to the attention of a shy public. It is very interesting nowadays to observe the advertising salaams and bows made to the broadcast listener before the brand of coffee or batteries is mentioned. It makes the listener quite appreciate himself to notice the deference SWEDEN S NEW RADIO TRANSMITTER At Grimeton, near Gothenburg. The four hundred foot towers extend in a line for a mile and a half. This station is one of those in constant communication with Radio Central at Rocky Point, Long Island. All these stations use high power and a wavelength of approximately 17,500 meters (about ten miles long)