Results 1 - 10 of 11

• Advanced Tutorial on Wireless Communication and Electronic Tracking: Introduction
  5/9/2019 - Training materials
  This tutorial provides an advanced discussion of the available CT technologies, operating characteristics and general system performance considerations with descriptions of specific uses for primary and secondary communications.
• Basic Tutorial on Wireless Communication and Electronic Tracking: Technology Overview
  2/6/2013 - Training materials
  This tutorial provides a brief overview of CT systems intended to meet the needs of people who require a basic understanding of the distinguishing features and operations of different CT systems.
• Leaky Feeder Mine Communications System
  2/24/2023 - Contracts and cooperative agreements
  A contract to investigate techniques to increase the survivability of leaky feeder communication systems.
• Advanced Tutorial on Wireless Communication and Electronic Tracking: Communication System Performance
  5/9/2019 - Training materials
  Section 2 of the OMSHR advanced tutorial on wireless communication and electronic tracking covering communication system performance.
• Data Transport Over Leaky Feeder Systems Using Internet-Protocol-Enabled Land Mobile Radios
  3/5/2019 - Peer reviewed journal articles
  An article presenting the selection, configuration and testing methodologies employed by NIOSH researchers to integrate commercially available land mobile data radios into an existing leaky feeder communication system to provide IP data transport.
• Integration of Sensing Technologies for Post-Event Monitoring of Hazardous Conditions in the Mining Environment
  11/22/2016 - Contracts and cooperative agreements
  A 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.
• 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.
• Advances in Mine Emergency Communications
  4/1/1994 - Conference papers
  To address communicating while wearing an SCSR, two-way, FM radios were built in and improved mouthpieces were added to the SCSR to improve the ability to communicate. Prototypes we built and tested. Leaky feeder systems are also described.
• A Communication and Monitoring System for an Underground Coal Mine, Iron Ore Mine, and Deep Underground Silver Mine
  11/1/1981 - Contract reports, Open File Reports
  Advanced communication and monitoring systems were developed and demonstrated in three underground mines representing different mining techniques, geographical areas, and material mined.
• An Assessment of Leaky Feeder Radio Systems in Underground Mines
  7/1/1980 - Conference papers
  A summary is presented of existing leaky feeder communications systems currently in operation in North America. Background information pertaining to previous use of leaky feeder technology is discussed along with the survey methodology.