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Mining Publication: Research on the Transmission of Electromagnetic Signals Between Mine Workings and the Surface
Keywords: Coal mining Methane Underground mining
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: January 1974
Authors: RG Geyer, GV Keller, T Ohya
Contract/MOA Report - January 1974
Download PDF Document (2.69 MB)
NIOSHTIC2 Number: 10001486
Colorado School of Mines. U.S. Bureau of Mines Contract No. H0101691: NTIS No. PB-237852, 1974 Jan; :1-124
Field studies (Contract No. H0101691) of ambient electromagnetic noise and electrical transmission properties of coal mine overburdens in Colorado, Illinois, Pennsylvania, and West Virginia were conducted. Field tests of the transmission of low-frequency (20 hz to 20,000 hz) signals by vertical axis loops and horizontal wire antenna were made and compared with theoretical predictions. Implications of the field tests for the design of an electromagnetic system to locate trapped miners are discussed.
Image of publication Research on the Transmission of Electromagnetic Signals Between Mine Workings and the SurfaceContract/MOA Report - January 1974
Download PDF Document (2.69 MB)
NIOSHTIC2 Number: 10001486
Colorado School of Mines. U.S. Bureau of Mines Contract No. H0101691: NTIS No. PB-237852, 1974 Jan; :1-124
See Also
Composition Change Model for Sealed Atmosphere in Coal Mines
Evaluating Performance Characteristics of Machine-Mounted Methane Monitors by Measuring Response Time
Historical Development of Technologies for Controlling Methane in Underground Coal Mines
Methane Control for Underground Coal Mines
NIOSH Research for Monitoring and Controlling Methane at U.S. Underground Coal Mining Operations
Peak Methane Concentrations During Coal Mining: An Analysis
Refuge Alternatives in Underground Coal Mines
Rotary Drilling Techniques Used in the Beckley Coalbed
Use of a Test Box to Measure Response Times for Machine-Mounted Monitors
Wireless Mesh Mine Communication System
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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