A ROTATING loop type of radio beacon was developed in Great Britain several years ago, and two stations employing this arrangement are still in use in connexion with aerial and marine navigation. The ...
The U.S. Coast Guard said it lit a first-of-its-kind LED-based rotating beacon at Oak Island Lighthouse on Caswell Beach, N.C., Monday. This upgrade is the Coast Guard’s first LED-based rotating ...
IN a previous contribution to NATURE (vol. 120, p. 774, Nov. 26, 1927) under the title “Directional Wireless as an Aid to Navigation,” a survey was given of the present position of the application of ...
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