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- Population groups:
- Miners
- Document types:
- Contract reports
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12/2/1974 - Contract reportsA summary of past analyses that are relevant to electromagnetic location in mine rescue situations. The analytical results indicated that detection of a trapped miner equipped with a special transmitter is feasible in most situations.
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7/14/1974 - Contract reportsThis report describes a circuit for driving a low-frequency loop antenna from a miners cap lamp battery. The circuit is a miniature waveform generator and is part of the electromagnetic (em) trapped miner location system. Two engineering models were des...
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Content source: National Institute for Occupational Safety and Health, Mining Program