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Developments in High-Power Radio
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A 200-KW arc converter was installed at Challas Heights, 350-KW at Pearl Harbor, 500-KW at Cavite and 30-KW at Tutuila and Guam.
All five stations were completed and in commission within two years thereby linking our most distant possessions, the Philippines and other islands in the Pacific with Washington by radio. As a result of the establishment of this chain of high-power stations and with the stations at Cordova, Alaska and Cayey, Porto Rico, subsquently established, and the replacement of the Arlington station by the more powerful Annapolis plant, the Navy Department is enabled to keep in constant touch with our three fleets, with their auxiliaries and with their bases. The Government now has a system of communication radiating from Washington and covering our entire coasts and our outlying possessions, a system entirely independent of the land lines and the meagre cable facilities in the Pacific.
The Naval radio service is used by all the government departments and agencies. It serves the Army for communicating with its forces in the Philippines and our other possessions in the Pacific, with the Canal Zone and the West Indies. It serves the Weather Bureau, the Bureau of Lighthouses, the Bureau of
Fisheries, the Coast Guard and similar government agencies. It provides channels of communication with our outlying possessions which make them entirely free of foreign-owned or controlled cables and therefore it is a potential asset for the development and fostering of our trade.
The Naval radio service normally handles approximately 20,000 words per day across the Pacific, this volume of traffic being greatly increased during cable breaks. About 5,000 words are normally handled between Puget Sound, Washington, and Cordova, Alaska, and when breaks occur in the Army 's cable between Seattle, Washington, and Valdez, Alaska, the number of words averages between 30,000 and 35,000 per day. About 8,000 words are exchanged daily through the Darien station in the Canal Zone and about 5,000 words through the Cayey station in the West Indies.
Messages are constantly passing between the various coastal stations on shore and naval and merchant vessels at sea. Government messages are sent daily from the Annapolis highpower station to corresponding stations in Europe and are received at the special receiving station at Bar Harbor, Maine, and relayed over leased land wires to Washington.
All of the Navy's high-power stations are
CAYEY, PORTO RICO The Insular outpost of the Navy's high-power system