File:Bell telephone magazine (1922) (14753580201).jpg

Identifier: belltelephonemag26amerrich (find matches)
Title: Bell telephone magazine
Year: 1922 (1920s)
Authors: American Telephone and Telegraph Company American Telephone and Telegraph Company. Information Dept
Subjects: Telephone
Publisher: (New York, American Telephone and Telegraph Co., etc.)
Contributing Library: Prelinger Library
Digitizing Sponsor: Internet Archive

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was toward thesouth. In 1930, the initial circuitwith South America was established between New York and Buenos Aires,Argentina. This was followed by cir-cuits with Brazil and Peru, and con-nections with Chile, Paraguay, andUruguay through Buenos Aires. Westward, the course of overseastelephone service took its way acrossthe Pacific. In 1931, short-waveradio stations with a radio telephone jterminal at San Francisco were erectedto serve countries in the Pacific andFar East. A circuit between SanFrancisco and Honolulu, T. H., be-came the first stepping stone acrossthe Pacific. The further extension ofservice across that ocean reads almostlike the voyage of Magellan: Manila,the Philippines, Tokyo, Bandoeng.Continuing its advance, overseas serv-ice reached Shanghai, China, in 1937,and Sydney, Australia, by direct cir-cuit in 1938. A third overseas radio telephoneterminal, designed to serve CentralAmerica and the Caribbean, was es-tablished at Miami in 1932. The 1947 America Is CaUiiig 39
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Bahama Islands were the first terri-tory to be connected with this ter-minal, followed in the next few yearsby Venezuela, Colombia, the CentralAmerican countries, Puerto Rico, andmany others places in the WestIndies. By 1939, most of Centraland South America and many of theislands of the Caribbean were linkedto this country by voice channels. In addition to the service withEurope, the Americas, and Pacificterritories, connections with Northand South Africa, the Near East,Iceland and India were available viaEurope. The Change from Long toShort Waves Overseas service was initiated withlong wave equipment; but the engi-neers recognized that such mammothsystems did not lend themselves toeconomical or widespread service.Nor was there sufficient frequencyspace in that part of the spectrum available to accommodate more thana few such circuits. Accordingly, thedevelopment of short waves between4 and 20 megacycles was promptlyundertaken; and in June, 1928, thefirst commercial short-wave circui

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