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Mining Publication: A Communication and Monitoring System for an Underground Coal Mine, Iron Ore Mine, and Deep Underground Silver Mine
Keywords: Communications, location tracking, and signalling Leaky feeder communications systems Mine monitoring Mine phones
This page is archived for historical purposes and is no longer being maintained or updated. Contact NIOSH Mining if you need an accessible version.
Original creation date: November 1981
Authors: AA Bergeron, RL Collins, JL Michels
Contract/MOA Report - November 1981
Download PDF Document (18.39 MB)
NIOSHTIC2 Number: 10002615
Rockwell International. U.S. Department of the Interior, Bureau of Mines, Contract No. J0377076, NTIS No. PB/83-115865, OFR 156-82, 1981 Nov; :1-309
Advanced communication and monitoring systems were developed and demonstrated in three underground mines representing different mining techniques, geographical areas, and material mined. The first was a large coal mine in western Pennsylvania using room-and- pillar techniques and continuous mining methods. The system developed provided private telephone channels, environmental monitoring, and control of underground equipment, all on a single coaxial cable, with all system operations under the direction of a minicomputer. The second was a magnetite ore mine in eastern Pennsylvania that used block caving mining techniques. A radio system was developed that provided two-way communications between trackless vehicles and roving personnel. A unique system of UHF-VHF repeaters combined with a "leaky-feeder" transmission line offered operational and emergency features not previously found in mine communication systems. The third was a deep silver mine in the cour d'Alene District of Idaho. This system utilizes a single wire pair to provide up to 14 voice channels. A combination of pbx, telephone carrier systems, and intercom offered private conversations, selective signaling, and emergency backup communications.
Image of publication A Communication and Monitoring System for an Underground Coal Mine, Iron Ore Mine, and Deep Underground Silver MineContract/MOA Report - November 1981
Download PDF Document (18.39 MB)
NIOSHTIC2 Number: 10002615
Rockwell International. U.S. Department of the Interior, Bureau of Mines, Contract No. J0377076, NTIS No. PB/83-115865, OFR 156-82, 1981 Nov; :1-309
See Also
Adaptive-Noise-Cancellation Techniques for Through-the-Earth Electromagnetics: Volume III
Advances in Mine Emergency Communications
An Assessment of Leaky Feeder Radio Systems in Underground Mines
Basic Tutorial on Wireless Communication and Electronic Tracking: Technology Overview
Data Transport Over Leaky Feeder Systems Using Internet-Protocol-Enabled Land Mobile Radios
An Evaluation of Leaky Feeder Communication in Underground Mines
A Multiplexed Phone System for Small Mines
Performance Evaluation of Electromagnetic Techniques for the Location of Trapped Miners
U.S. Bureau of Mines New Developments in Mine Communications
Underground Mine Communications
Page last reviewed: October 1, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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