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5/9/2019 - Training materialsThis tutorial provides an advanced discussion of the available CT technologies, operating characteristics and general system performance considerations with descriptions of specific uses for primary and secondary communications.
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2/1/2012 - Technology NewsMedium frequency communications systems do not require a powered underground infrastructure to be installed for operation, and may therefore provide a higher degree of survivability after a mine disaster than other types of systems.
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5/9/2019 - Research projectsA project to minimize the risk of heat illness for miners entering an RA, ensure the availability of air delivery and purging systems for RAs, facilitate the use of BIP RAs, and develop a reliable communications system for RAs.
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5/9/2019 - Training materialsSection 6 of the OMSHR advanced tutorial on wireless commumnication and electronic tracking covering the mine operations center.
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5/9/2019 - Training materialsSection 4 of the OMSHR advanced tutorial on wireless communication and tracking covering CT system survivability, reliability and availability.
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9/1/2017 - Peer reviewed journal articlesA paper presenting the simulation and measurement results of recent NIOSH research aimed at investigating current injection at extremely low-frequency, and in particular, ground contact impedance.
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3/13/2017 - Research projectsA project to enhance the understanding of underground mining communication and tracking system performance through the development and validation of radio signal propagation models.
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12/17/2016 - Research projectsA project to investigate the feasibility potential to develop and implement IIoT concepts into the mining industry.
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7/19/2016 - Contracts and cooperative agreementsA contract to test the efficacy of deploying a vehicular satellite communication system, augmented with rapidly deployable mesh networking nodes and other emerging telecommunications technologies, during mine rescue and other emergency events.
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7/19/2016 - Contracts and cooperative agreementsA contract to enhance key features of the through-the-earth prototype previously developed to improve its usability, investigate design changes to comply with mine safety standards, ruggedize the hardware, and demonstrate performance at coal mine sites.
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Content source: National Institute for Occupational Safety and Health, Mining Program