Radio Broadcast (May 1929-Apr 1930)

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This map of the United States shows how the popularity of the a.c. receiver has increased in various sections of the country. The figures give the percentage of the total sales for the year of 1928 which is represented by the a.c.-operaled receiver. How A.C. and Battery Set Sales Compare — / ANALYZING THE 1928 RADIO SURVEY By T. A. PHILLIPS Manager, Research Division. Doubleday, Doran and Co., Inc. his is the first of a series of three articles, analyzing the 1928 radio survey compiled by the Electrical Equipment Division of the Bureau of Foreign and Domestic Commerce. This survey is probably the most complete and important study concerning the radio market made this year. A casual inspection of the report fails to disclose the many significant facts lost in a great mass of detail. This series of articles will analyze the important facts. A recent study made by the National Carbon Company discloses the fact that there are ten million homes that are not wired for electricity. Of this astounding number very few are not potential customers for radio sets. The following figures taken from the Bureau of Foreign and Domestic Commerce reports show the relative importance of these two types of receivers. Dealers' Stocks on Hand Battery Sets 72% January 1, 1928 January 1, 1929 1927 1928 Last quarter 1928 20% Number of Sets Sold Battery ™% 14% 11% A. C. Sets 28% 80% a. a 26% 86% 89% Sales By Population Groups, 1928 Population Battery Less than 10,000 25% 10,000 to 25,000 16% 25,000 to 50,000 14% 50,000 to 100,000 11% 100,000 to 200,000 8% 200,000 to 300,000 8% 300,000 to 500,000 8% 500,000 to 1,000,000 6% 1,000,000 and over 11.6% A. C. 75% 84% 86% 89% 92% 92% 92% 94% 88.4% Discussion of Figures The map of the United States on this page presents geographically the relative sales of battery and a.c. sets by states. The figures show that in Kansas, Nebraska, South Dakota, North Dakota, and Montana, battery sales still represent a significant portion of total number of sets sold. New Jersey, Illinois, Alabama, Louisiana, Utah, California, the District of Columbia, and Oregon are mighty poor sales territory for battery sets; more than nine out of every ten are a.c. sets, but even in these territories there are still an important number of homes not equipped with electricity. For example, in the District of Columbia 28,300 homes are un wired. An analysis of the population groups shows that with the increases in ooDulation there is a relative decrease in the sale 142 • JULY -1929 • 5