Abstract
The world-wide short-wave communication system of R. C. A. Communications, Inc., is described, and contrasted with the long-wave system which was the major means of long-distance radio communication six years ago. The details and effectiveness of the R. C. A. directive antenna systems for transmission and reception, developed for long-distance service, are shown by photographs and characteristic graphs. A description of the equipment and installations at the transmitting center at Rocky Point, L. I., and the receiving center at Riverhead, L. I., with photographs, is included. A brief discussion, with typical graphs, of the characteristics of the transmitting medium is presented. The present status of photo radio and facsimile development with a typical sample is outlined. The arrangement of central offices controlling the outgoing and incoming signals at distances of 100 miles is described.
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