Heinl radio business letter (July-Dec 1946)

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Helnl Radio News Service 10/11/46 OPPORTUNITY SEEN FOR U.S. RADIO TUBES IN AUSTRIA There is a potential market for American radio receiving tubes in Austria as, according to the Foreign Commerce Weekly pub¬ lished by the U. S. Commerce Department, it is reported that the Austrian industry is willing to make necessary changes in their sets to enable them to use tubes from the United States. However, the Austrians are not intimately acquainted with American technical developments and need instruction and information in order to adapt their production to American parts and methods. It is reported that three leading Austrian firms will specialize in the manufacture of tubes and one will also make special tubes for radio transmitters, although it may be some time before actual production gets under way. Prior to the war seven different types of radios were manu¬ factured in Austria. Annual production amounted to approximately 130,000 sets, about 75,000 of which were exported. Practically all the parts were made in Austria except the tubes; these were obtained principally from the Netherlands, Germany, and Hungary. Although production has ceased temporarily as a result of the shortage of raw materials, plans are under way to rehabilitate the radio industry. XXXXXXXXXX A FACSIMILE MESSAGE WHICH CAN’T BE JAMMED A facsimile radio transmitting system that will get its message through any amount of attempted "jamming'’ is the wartime invention on which Patents Nos. 2,406,811 and 2,406,812 have been issued to three engineers of the Federal Telephone and Radio Corpora¬ tion, E. M. Deloraine, H. G. Busignies and L. A. de Rosa. Essentially success was achieved by having the message transmitted repeatedly and recorded in identical form on the same receiving apparatus each time it came in. By this method of "over-writing", the outlines of the mes¬ sage could be made clear against any background of jamming or other interfe rence. XXX XXXXXXXXXX Washington will have its first full-time frequency modu¬ lation (FM) radio station this week. The WINX Broadcasting Co. , operated by the Washington Post has received a construction permit for a new station, to have a radiated power of 20,000 watts at 92.9 megacycles. The station will be heard from 9 a. M. to 11:15 P.M. daily. XXXXXXXXXX 12