Results 101 - 110 of 311

• 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.
• Develop a Means to Model Network Performance Using Network Simulation Tools
  7/18/2016 - Interagency agreements
  An interagency agreement to develop modeling and simulation tools to evaluate the performance of underground mine wireless communications networks.