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Helnl Radio News Service
7/17/46
GOOD-BYE TELEGRAPH POLES! WESTERN UNION STARTS RADIO TOWER
The Western Union Telegraph Co. has started construction of a 90-foot terminal radio tower at 41st Street and Wisconsin Avenue in Washington, D. C. , linking Washington to the company's new ’’radio beam” telegraph system being set up.
Other cities in the system will be New York, Philadelphia and Pittsburgh. The project in Washington will cost $90,000 and is located several blocks above the Washington Cathedral and west of the National Bureau of Standards.
The tower will be hexagonal and faced with limestone, and was designed to harmonize architecturally with its surroundings, the company said. Steel towers, spaced 15 to 55 miles apart, depending on the terrain, are being constructed at 21 radio relay points of the new system and are due to be completed by January.
The company said that owing to the extremely high fre¬ quencies involved in this type of telegraphy, it will not affect local radio reception.
Adjacent to the Washington tower will be a two-story con¬ crete eqi ipment house connected with the main Western Union office here by underground cable.
Apparatus in the tower building will convert microwave radio signals from a frequency measured in billions of cycles down to from 200 to 3,000 cycles per second for transmission through the cable.
The recent annual report of the Western Union said:
”We have had such a program of modernization under devel¬ opment for some time. For example, we are now sending messages experimentally by radio beam between New York and Philadelphia, and by the year's end we shall be sending them by radio beam over what we call the New York-Washington-Pittsburgh triangle.
”We expect to gradually install the radio beam between major cities to eliminate the costly installation and maintenance of pole lines and eliminate also the interruptions caused by storms and electrical disturbances. ”
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NEW DRAFT OF WORLD TELECOMMUNICATIONS PROPOSALS
Mimeographed copies of the most recent draft of the Inter¬ national Radio Regulations (Revision of the General Radio Regula¬ tions, Cairo 1938), looking toward United States proposals for the World Telecommunications Conference which is expected to be held late in 1946 and early in 1947, are now being distributed by Francis Colt de W olf, Chief, Telecommunications Division of the.. State Deoartment,
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