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Results 11 - 20 of 34
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7/18/2016 - Contracts and cooperative agreementsA contract to complete a beta test installation of the contractor’s inertial sensor tracking and communication system in a working mine and demonstrate the accuracy, communication capability, and suitability for use in a working coal mine.
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7/16/2016 - Contracts and cooperative agreementsA contract to assess the suitability of current power line communication methods (used in nonmining applications) for underground coal mine communication, using mine electrical power distribution conductors as a system backbone.
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11/20/2015 - Contracts and cooperative agreementsA contract to develop and test an enhanced magnetics-based communications waveform with increased ability to provide communications in the presence of ambient noise and interference in order to extend existing magnetics-based technologies.
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10/6/2014 - Contracts and cooperative agreementsA contract to evaluate a fiber optic sprinkler head emergency communications system to determine if this concept can meet the communication, tracking, mine escape, and rescue requirements of an underground communication system.
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10/1/2014 - Peer reviewed journal articlesAn analyis of TTE measurement data collected from 94 mines in order to determine the apparent conductivity of the overburden based on three different models: a homogenous half-space model, a thin sheet model, and an attenuation factor or Q-factor model.
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8/14/2014 - Contracts and cooperative agreementsA contract to incorporate a wireless base station into the MagneLink Magnetic Communication System (MCS) and to develop a mechanism that automatically activates a portable wireless text messaging device when a refuge chamber is opened or deployed.
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7/24/2013 - Research areasEmergency Communications and Tracking Topic Page
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9/22/2012 - Contracts and cooperative agreementsA contract to develop a practical methodology with appropriate technical guidelines that enables mine operators and enforcement agencies to evaluate the reliability of underground communications, tracking, and atmospheric monitoring systems.
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9/18/2012 - Contracts and cooperative agreementsA contract to design a prototype two-way, through-the-earth (TTE) emergency communication system, fabricate the hardware, and test the system at an underground coal mine.
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9/18/2012 - Contracts and cooperative agreementsA contract to address issues associated with battery selection, use, and charging for the underground coal mining environment, specifically with respect to MINER Act requirements for mine communications and personnel tracking technology.
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Content source: National Institute for Occupational Safety and Health, Mining Program