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9/18/2012 - Contracts and cooperative agreementsA contract to analyze, adapt, and test an existing ultra-low frequency (ULF), through-the-earth system for communication and tracking of underground mine personnel.
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9/17/2012 - Contracts and cooperative agreementsA contract to design, build, and demonstrate a battery-powered, through-the-earth wireless voice communication system for overburdens of up to 600 feet.
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9/17/2012 - Dictionaries and glossariesMine Communications and Tracking Glossary
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10/1/2011 - Technology NewsThis technology is used to map communications and tracking coverage in underground mines. It is important to know coverage of these systems during a mine emergency.
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2/1/2008 - Peer reviewed journal articlesThe general consensus from members of the mining sector established the need for several key endeavors including more and stronger mining collaborations and partnerships and a need to educate mining stakeholders and students about the benefits of the Pr...
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10/1/2003 - Peer reviewed journal articlesThis study evaluated two training techniques for educating young children about noise and hearing loss.
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9/1/1986 - Contract reportsThis report describes the creation of an efficient method to determine if command, control, communication, and monitoring (3cm) equipment in coal, metal, and nonmetal mines is susceptible to radio frequency interference (RFI) from the medium-frequency (...
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7/1/1985 - Peer reviewed journal articlesMedium frequency (MF) techniques have been successfully applied to the problem of radio voice communications in both coal and metal and nonmetal mines. MF techniques can also be applied to the areas of in-mine control and monitoring. Preliminary work in...
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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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1/1/1984 - Information CircularsSince 1969, the Bureau of Mines has sponsored numerous programs aimed at improving methods of underground communication. This manual brings together relevant data from all previous reports, studies, and other sources, and presents these data in such a w...
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Content source: National Institute for Occupational Safety and Health, Mining Program