Results 21 - 30 of 37

• Application of Extreme Power Line Communication Methods to Mine Environments
  7/16/2016 - Contracts and cooperative agreements
  A 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.
• Through-the-Earth (TTE) Communications: Range Reliability Improvements
  11/20/2015 - Contracts and cooperative agreements
  A 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.
• Radio System Modifications for Improved Mine Safety (Medium Frequency)
  11/19/2014 - Contracts and cooperative agreements
  A contract to increase the performance of medium frequency communications in underground mines.
• Through-the-Earth Communication Systems for Underground Coal Mines: Product Final Development and Standardized Interface Definition
  10/6/2014 - Contracts and cooperative agreements
  A contract to extend the operational range of a through-the-earth communications system while maintaining the portability and permissibility of the subsurface unit.
• Sprinkler Head Emergency Communications
  10/6/2014 - Contracts and cooperative agreements
  A 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.
• Supplementary Technologies for Advanced Mine Communication Networks
  9/25/2014 - Contracts and cooperative agreements
  A 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.
• Wireless Through-The-Earth Modeling and Support
  8/15/2014 - Contracts and cooperative agreements
  A contract to determine the factors that most affect signal transmission and reception for through-the-earth communication systems.
• Refuge Chamber Deployment and Occupancy Status During Mine Emergency Situations
  8/14/2014 - Contracts and cooperative agreements
  A 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.
• Snake Robot for Mine Rescue
  7/18/2014 - Contracts and cooperative agreements
  A contract to leverage the on-going development of the new generation Tandem Track (TT) snake robot, by modifying this new system in a way that makes it suitable for operations in underground mines.
• Post-Accident AMS System
  1/6/2014 - Contracts and cooperative agreements
  A contract to develop a robust, intrinsically safe system that will incorporate atmospheric monitoring, two-way communications and miner tracking, all in a single network.