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n.1.A radiotelegraphic station serving solely for determining the position of ships. The radius of operation of such stations was restricted by the International Radiotelegraphic Convention (1912) to 30 nautical miles.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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Un systeme sonore, utile en temps de brume, a ete mis en place en 1933 et, en 1937, un radiophare a ete ajoute pour permettre aux navires de determiner leur position.