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- Hazard prevention and control:
- Communications
- Document types:
- Contracts and cooperative agreements
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Results 1 - 10 of 13
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7/19/2016 - Contracts and cooperative agreementsA contract to ensure that the limited useful spectrum is used efficiently, health and safety hazards are not introduced, and new systems do not interfere with each other or with older systems already in place.
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7/19/2016 - Contracts and cooperative agreementsA contract to modify medium frequency radio systems to improve refuge chamber situational awareness in an underground coal mine.
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7/19/2016 - Contracts and cooperative agreementsA contract to develop and demo a two-way, through-the-earth communication system for mines that applies state-of-the-art communications technologies to overcome subterranean wireless communication challenges while meeting industrial safety standards.
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7/19/2016 - Contracts and cooperative agreementsA contract to develop and test a Media Converter Device (MCD) that allows wireless handheld radios to communicate with leaky feeder communication systems. This will greatly improve voice quality and underground communications coverage in cross-cuts.
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7/19/2016 - Contracts and cooperative agreementsA contract to explore a new communication technology that re-uses undersea modem technology and concepts for seismic communication within the mining industry.
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7/18/2016 - Contracts and cooperative agreementsA contract to develop and demonstrate a methodology for the uniform evaluation of tracking technologies in underground coal mines.
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11/19/2014 - Contracts and cooperative agreementsA contract to increase the performance of medium frequency communications in underground mines.
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10/6/2014 - Contracts and cooperative agreementsA contract to extend the operational range of a through-the-earth communications system while maintaining the portability and permissibility of the subsurface unit.
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9/25/2014 - Contracts and cooperative agreementsA contract to develop a Universal Signal Evaluation Package for 75- and 150-MHz bands, adapt a passive magnetic amplifier for 900-MHz, and investigate energy harvesting technologies.
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8/15/2014 - Contracts and cooperative agreementsA contract to determine the factors that most affect signal transmission and reception for through-the-earth communication systems.
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Content source: National Institute for Occupational Safety and Health, Mining Program