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- Equipment, tools, and parts:
- Radios
- Document types:
- Contracts and cooperative agreements
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Results 1 - 10 of 11
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2/24/2023 - Contracts and cooperative agreementsA contract to investigate techniques to increase the survivability of leaky feeder communication systems.
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4/8/2019 - Contracts and cooperative agreementsA contract to improve the performance of TTE radio systems intended for use in coal mine emergency communications between the mine and the surface.
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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 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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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 create a signaling system, Kutta OutCall Micropower Messaging System (KOMMS), a mechanism of signaling between underground and the surface without the use of battery or line power.
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7/18/2016 - Contracts and cooperative agreementsA contract to design and demonstrate a location tracking system for underground coal mines using ultra-wideband (UWB) radio technology.
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7/16/2016 - Contracts and cooperative agreementsA contract to develop an Advanced Software Radio (ASR) for through-the-earth communication with the intent of significantly improving realiability of TTE links in the working areas of coal mines and extending range.
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4/29/2016 - Contracts and cooperative agreementsA contract to identify possible electromagnetic interference requirements for coal mining equipment to ensure proper operation of equipment used in mines with a view towards maximizing mine safety.
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Content source: National Institute for Occupational Safety and Health, Mining Program