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- Equipment, tools, and parts:
- Wireless node communications systems
- Document types:
- Contracts and cooperative agreements
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Results 1 - 8 of 8
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11/22/2016 - Contracts and cooperative agreementsA contract to provide detection of ambient conditions in lesser traversed, remote areas of a mine by way of a repeater system with sensing modules capable of linking into the existing, hardened communications and tracking system.
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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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7/18/2016 - Contracts and cooperative agreementsA contract to design, develop, and deliver a test and measurement tool based on a proof-of-concept model for mapping wireless coverage areas in underground coal mines.
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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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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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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 - Contracts and cooperative agreementsA contract to design, adapt, construct, install, and evaluate a wireless mesh communication network in an underground coal mine.
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Content source: National Institute for Occupational Safety and Health, Mining Program