Array technique for electromagnetic positional determination of a buried receiving point
- 22 April 1971
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 7 (8) , 186-187
- https://doi.org/10.1049/el:19710124
Abstract
We describe a scheme to locate personnel in a coal mine following a disaster. The method, while not yet tested, would require only that the trapped miner be equipped with a loop receiving device. Operating frequencies in the low audio range are called for.Keywords
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