Results 71 - 80 of 242

• Mine Communications Engineering and Compatibility Guidelines
  7/19/2016 - Contracts and cooperative agreements
  A 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.
• Medium Frequency Radio System Modifications for Refuge Chamber Situational Awareness
  7/19/2016 - Contracts and cooperative agreements
  A contract to modify medium frequency radio systems to improve refuge chamber situational awareness in an underground coal mine.
• A Magnetic Communication System for Use in Mine Environments
  7/19/2016 - Contracts and cooperative agreements
  A 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.
• Magnetic Communication System (MCS)
  7/19/2016 - Contracts and cooperative agreements
  A 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.
• Leaky Feeder to Wireless Media Converter Device Technology Development
  7/19/2016 - Contracts and cooperative agreements
  A 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.
• Full-Wave Modeling of MF Propagation
  7/19/2016 - Contracts and cooperative agreements
  A contract to develop models of MF propagation in mines based on the results simulated through full-wave electromagnetic models.
• Emergency Seismic Communication System for the Mining Industry
  7/19/2016 - Contracts and cooperative agreements
  A contract to explore a new communication technology that re-uses undersea modem technology and concepts for seismic communication within the mining industry.
• Development of a Wireless Test and Measurement Tool for Use in Mines
  7/18/2016 - Contracts and cooperative agreements
  A 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.
• Development of a Uniform Methodology for Evaluating Coal Mine Tracking Systems
  7/18/2016 - Contracts and cooperative agreements
  A contract to develop and demonstrate a methodology for the uniform evaluation of tracking technologies in underground coal mines.
• Development of a Seismic System for Locating Trapped Miners
  7/18/2016 - Contracts and cooperative agreements
  A contract to evaluate SureWave Technology's seismic system for locating trapped miners by conducting tests at depths of 2,000 ft or more and under various challenging but common conditions.