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- Hazard prevention and control:
- Communications
- Document types:
- Open File Reports
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Results 1 - 3 of 3
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9/1/1984 - Contract reports, Open File ReportsThis report deals with information regarding a new Medium Frequency (MF) Wireless Communication System for underground mines. This new telecommunication system works on low loss electromagnetic wave propagation modes which allow it to provide quality ra...
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12/1/1983 - Contract reports, Open File ReportsA new postdisaster communication and location system using through-the-earth electromagnetic wave propagation was tested at the Bureau of Mines Lake Lynn Experimental Mine. This describes the testing process and findings.
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2/1/1981 - Contract reports, Open File ReportsA survey of electromagnetic noise reports was performed and a summary of the results are given.
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Content source: National Institute for Occupational Safety and Health, Mining Program