Abstract
THERE are in use to-day three principal systems -L of direction finding by which the apparent direction of arrival of a train of electromagnetic waves can be observed and, under suitable conditions, the direction of a radio transmitting station determined. These are usually described as the Bellini-Tosi system, the single frame system, and the Robinson system. The Bellini-Tosi system has been very fully developed by the Marconi Company for use on land and on board ship as an aid to navigation, and is the system most usually employed in this country for that purpose. The coil frame system has received most attention in the United States, and has there been the subject of a great amount of research work. The Robinson system, for reasons which will appear later, is specially suitable for use in connexion with direction finding in the air and has mainly been developed with that end in view. All three systems have been for the most part the subject of independent development and their several merits have been the subject of considerable controversy.
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B., O. Radio Direction Finding by Reception. Nature 112, 690–692 (1923). https://doi.org/10.1038/112690a0
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DOI: https://doi.org/10.1038/112690a0