• Summary report of uplink and downlink communications working group  Cite CITE Title : Summary report of uplink and downlink communications working group  Personal Author(s) : Lagace, Robert L. Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 178-201 URL : https://stacks.cdc.gov/view/cdc/8830 Lagace, Robert L. (1973). Summary report of uplink and downlink communications working group . Lagace, Robert L. "Summary report of uplink and downlink communications working group " (1973) Lagace, Robert L. "Summary report of uplink and downlink communications working group " , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 1.14 MB] Personal Author: Lagace, Robert L. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: The attention of this group was focussed on four through-the-earth communication systems that are presently of high interest to the U.S. Bureau of Min... File Type: [PDF - 1.14 MB] File Type: [PDF - 1.14 MB] The perturbation of alternating electromagnetic fields by three-dimensional bodies Cite CITE Title : The perturbation of alternating electromagnetic fields by three-dimensional bodies Personal Author(s) : Jones, F. W. Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 86-91 URL : https://stacks.cdc.gov/view/cdc/8813 Jones, F. W. (1973). The perturbation of alternating electromagnetic fields by three-dimensional bodies. Jones, F. W. "The perturbation of alternating electromagnetic fields by three-dimensional bodies" (1973) Jones, F. W. "The perturbation of alternating electromagnetic fields by three-dimensional bodies" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 143.65 KB] Personal Author: Jones, F. W. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: The perturbation of alternating electromagnetic fields by three-dimensional structures is considered. The general model is that of a semi-infinite con... File Type: [PDF - 143.65 KB] File Type: [PDF - 143.65 KB] Summary report on electromagnetic noise measurement program Cite CITE Title : Summary report on electromagnetic noise measurement program Personal Author(s) : Adams, John W. Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 169 URL : https://stacks.cdc.gov/view/cdc/8828 Adams, John W. (1973). Summary report on electromagnetic noise measurement program. Adams, John W. "Summary report on electromagnetic noise measurement program" (1973) Adams, John W. "Summary report on electromagnetic noise measurement program" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 37.61 KB] Personal Author: Adams, John W. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: The present status of the National Bureau of Standards program is that many magnetic tapes of analog data have been recorded in four major mines. Each... File Type: [PDF - 37.61 KB] File Type: [PDF - 37.61 KB] Admittance and effective height of buried antennas Cite CITE Title : Admittance and effective height of buried antennas Personal Author(s) : Franceschetti, Giorgio Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 162-167 URL : https://stacks.cdc.gov/view/cdc/8822 Franceschetti, Giorgio (1973). Admittance and effective height of buried antennas. Franceschetti, Giorgio "Admittance and effective height of buried antennas" (1973) Franceschetti, Giorgio "Admittance and effective height of buried antennas" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 27.45 KB] Personal Author: Franceschetti, Giorgio 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: Explicit expressions are presented for the input admittance and effective height of several buried metal antennas, namely: (i) prolate spheroidal; (ii... File Type: [PDF - 27.45 KB] File Type: [PDF - 27.45 KB] Objectives and constraints of through-the-earth electromagnetic communication systems Cite CITE Title : Objectives and constraints of through-the-earth electromagnetic communication systems Personal Author(s) : Parkinson, Howard E. Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 1-8 URL : https://stacks.cdc.gov/view/cdc/8802 Parkinson, Howard E. (1973). Objectives and constraints of through-the-earth electromagnetic communication systems. Parkinson, Howard E. "Objectives and constraints of through-the-earth electromagnetic communication systems" (1973) Parkinson, Howard E. "Objectives and constraints of through-the-earth electromagnetic communication systems" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 502.00 KB] Personal Author: Parkinson, Howard E. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: In 1969, new coal mine health and safety legislation was enacted in the United States. As a result of this legislation, the Department of Interior, Bu... File Type: [PDF - 502.00 KB] File Type: [PDF - 502.00 KB] Feasibility of a radiocommunication in mine galleries by means of a coaxial cable having a high coupling impedance Cite CITE Title : Feasibility of a radiocommunication in mine galleries by means of a coaxial cable having a high coupling impedance Personal Author(s) : Fontaine, J.;Demoulin, B.;Degauque, P.;Gabillard, R.; Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 130-139 URL : https://stacks.cdc.gov/view/cdc/8820 Fontaine, J. et al. (1973). Feasibility of a radiocommunication in mine galleries by means of a coaxial cable having a high coupling impedance. Fontaine, J. et al. "Feasibility of a radiocommunication in mine galleries by means of a coaxial cable having a high coupling impedance" (1973) Fontaine, J. et al. "Feasibility of a radiocommunication in mine galleries by means of a coaxial cable having a high coupling impedance" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 326.47 KB] Personal Author: Fontaine, J. ; Demoulin, B. ... 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: To realize a radiowave communication along mine galleries a few kilometers long without repeater, we show that it is possible to use a coaxial cable b... File Type: [PDF - 326.47 KB] File Type: [PDF - 326.47 KB] Design of an ELF noise processor Cite CITE Title : Design of an ELF noise processor Personal Author(s) : Evans, J. E.;Griffiths, A. S.; Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 161 URL : https://stacks.cdc.gov/view/cdc/8825 Evans, J. E. and Griffiths, A. S. (1973). Design of an ELF noise processor. Evans, J. E. and Griffiths, A. S. "Design of an ELF noise processor" (1973) Evans, J. E. and Griffiths, A. S. "Design of an ELF noise processor" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 45.34 KB] Personal Author: Evans, J. E. ; Griffiths, A. S. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: Noise processing experiments with ELF (3 to 300 Hz) atmospheric noise and signals in the 40 to 80 Hz range are described. The primary purpose of the e... File Type: [PDF - 45.34 KB] File Type: [PDF - 45.34 KB] Theory and experiments relating to electromagnetic fields of buried sources with consequences to communication and location Cite CITE Title : Theory and experiments relating to electromagnetic fields of buried sources with consequences to communication and location Personal Author(s) : Geyer, Richard G. Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 20-33 URL : https://stacks.cdc.gov/view/cdc/8805 Geyer, Richard G. (1973). Theory and experiments relating to electromagnetic fields of buried sources with consequences to communication and location. Geyer, Richard G. "Theory and experiments relating to electromagnetic fields of buried sources with consequences to communication and location" (1973) Geyer, Richard G. "Theory and experiments relating to electromagnetic fields of buried sources with consequences to communication and location" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 370.87 KB] Personal Author: Geyer, Richard G. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: One aspect of a program to improve the chances of survival following coal mine disasters is the development of a communications system which will allo... File Type: [PDF - 370.87 KB] File Type: [PDF - 370.87 KB] Summary report of electromagnetic location techniques working group  Cite CITE Title : Summary report of electromagnetic location techniques working group  Personal Author(s) : Farstad, Arnold J. Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 171-177 URL : https://stacks.cdc.gov/view/cdc/8829 Farstad, Arnold J. (1973). Summary report of electromagnetic location techniques working group . Farstad, Arnold J. "Summary report of electromagnetic location techniques working group " (1973) Farstad, Arnold J. "Summary report of electromagnetic location techniques working group " , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 288.74 KB] Personal Author: Farstad, Arnold J. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: The Location Group conversed in the Petroleum Room of the Green Center with the purpose of addressing the following list of topics in light of the Bur... File Type: [PDF - 288.74 KB] File Type: [PDF - 288.74 KB] A discussion on the three-dimensional boundary value problem for electromagnetic fields Cite CITE Title : A discussion on the three-dimensional boundary value problem for electromagnetic fields Personal Author(s) : Rankin, David Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 92-94 URL : https://stacks.cdc.gov/view/cdc/8814 Rankin, David (1973). A discussion on the three-dimensional boundary value problem for electromagnetic fields. Rankin, David "A discussion on the three-dimensional boundary value problem for electromagnetic fields" (1973) Rankin, David "A discussion on the three-dimensional boundary value problem for electromagnetic fields" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 123.86 KB] Personal Author: Rankin, David 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: Three -dimensional boundary value problems are difficult to solve. Indeed, while the separation of the scalar wave equation can be effected in 11 diff... File Type: [PDF - 123.86 KB] File Type: [PDF - 123.86 KB] Theory of the propagation of UHF radio waves in coal mine tunnels Cite CITE Title : Theory of the propagation of UHF radio waves in coal mine tunnels Personal Author(s) : Emslie, Alfred G.;Lagace, Robert L.;Strong, Peter F.; Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 38-48 URL : https://stacks.cdc.gov/view/cdc/8807 Emslie, Alfred G. et al. (1973). Theory of the propagation of UHF radio waves in coal mine tunnels. Emslie, Alfred G. and Lagace, Robert L. and Strong, Peter F. "Theory of the propagation of UHF radio waves in coal mine tunnels" (1973) Emslie, Alfred G. et al. "Theory of the propagation of UHF radio waves in coal mine tunnels" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 500.48 KB] Personal Author: Emslie, Alfred G. ; Lagace, Robert L. ... 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: This paper is concerned with the theoretical study of UHF radio communication in coal mines, with particular reference to the rate of loss of signal s... File Type: [PDF - 500.48 KB] File Type: [PDF - 500.48 KB] Amplitude statistics of electromagnetic noise in coal mines Cite CITE Title : Amplitude statistics of electromagnetic noise in coal mines Personal Author(s) : Kanda, M.;Adams, J.W.; Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 156-160 URL : https://stacks.cdc.gov/view/cdc/8824 Kanda, M. and Adams, J.W. (1973). Amplitude statistics of electromagnetic noise in coal mines. Kanda, M. and Adams, J.W. "Amplitude statistics of electromagnetic noise in coal mines" (1973) Kanda, M. and Adams, J.W. "Amplitude statistics of electromagnetic noise in coal mines" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 145.82 KB] Personal Author: Kanda, M. ; Adams, J.W. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: A system for measuring amplitude probability distributions (APD’s) of electromagnetic noise in coal mines is described and typical APD’s from an u... File Type: [PDF - 145.82 KB] File Type: [PDF - 145.82 KB] The electromagnetic response of a buried sphere for buried dipole excitation  Cite CITE Title : The electromagnetic response of a buried sphere for buried dipole excitation  Personal Author(s) : Hill, D. A.;Wait, J. R.; Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 81-85 URL : https://stacks.cdc.gov/view/cdc/8812 Hill, D. A. and Wait, J. R. (1973). The electromagnetic response of a buried sphere for buried dipole excitation . Hill, D. A. and Wait, J. R. "The electromagnetic response of a buried sphere for buried dipole excitation " (1973) Hill, D. A. and Wait, J. R. "The electromagnetic response of a buried sphere for buried dipole excitation " , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 186.51 KB] Personal Author: Hill, D. A. ; Wait, J. R. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: The feasibility of locating a buried vertical magnetic dipole source (horizontal loop) from surface measurements of the vertical and horizontal magnet... File Type: [PDF - 186.51 KB] File Type: [PDF - 186.51 KB] Experimental comparison of buried and elevated ELF transmitting antennas Cite CITE Title : Experimental comparison of buried and elevated ELF transmitting antennas Personal Author(s) : Bannister, Peter R.;Williams, Frederick J.;Katan, J. Robert;Ball, John R.; Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 162-167 URL : https://stacks.cdc.gov/view/cdc/8826 Bannister, Peter R. et al. (1973). Experimental comparison of buried and elevated ELF transmitting antennas. Bannister, Peter R. et al. "Experimental comparison of buried and elevated ELF transmitting antennas" (1973) Bannister, Peter R. et al. "Experimental comparison of buried and elevated ELF transmitting antennas" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 249.63 KB] Personal Author: Bannister, Peter R. ; Williams, Frederick J. ... 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: During the last week in March and the first week in April, 1973, the Naval Underwater Systems Center measured the 76 Hz magnetic field strength (in Wi... File Type: [PDF - 249.63 KB] File Type: [PDF - 249.63 KB] Electromagnetic survey method applicable to underground quarries; proceedings of thru-the-earth electromagnetics workshop Cite CITE Title : Electromagnetic survey method applicable to underground quarries; proceedings of thru-the-earth electromagnetics workshop Personal Author(s) : Gabillard, R.;Dubus, J. P.;Cherpereel, F.; Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 121-129 URL : https://stacks.cdc.gov/view/cdc/8819 Gabillard, R. et al. (1973). Electromagnetic survey method applicable to underground quarries; proceedings of thru-the-earth electromagnetics workshop. Gabillard, R. and Dubus, J. P. and Cherpereel, F. "Electromagnetic survey method applicable to underground quarries; proceedings of thru-the-earth electromagnetics workshop" (1973) Gabillard, R. et al. "Electromagnetic survey method applicable to underground quarries; proceedings of thru-the-earth electromagnetics workshop" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 739.67 KB] Personal Author: Gabillard, R. ; Dubus, J. P. ... 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: We present an electromagnetic method taken from the well known radiogoniometer that allows us to locate at the surface of the ground the vertical axis... File Type: [PDF - 739.67 KB] File Type: [PDF - 739.67 KB] Reply to: "A Discussion on the three-dimensional boundary value problem for electromagnetic field" by D. Rankin Cite CITE Title : Reply to: "A Discussion on the three-dimensional boundary value problem for electromagnetic field" by D. Rankin Personal Author(s) : Jones, F. W. Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 95-97 URL : https://stacks.cdc.gov/view/cdc/8815 Jones, F. W. (1973). Reply to: "A Discussion on the three-dimensional boundary value problem for electromagnetic field" by D. Rankin. Jones, F. W. "Reply to: "A Discussion on the three-dimensional boundary value problem for electromagnetic field" by D. Rankin" (1973) Jones, F. W. "Reply to: "A Discussion on the three-dimensional boundary value problem for electromagnetic field" by D. Rankin" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 100.72 KB] Personal Author: Jones, F. W. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: I do not regard the criticism by Rankin of my work as valid or even meaningful. I strongly reject the assertion by Rankin that my results are invalid.... File Type: [PDF - 100.72 KB] File Type: [PDF - 100.72 KB] Electromagnetic transmission and detection at deep depths Cite CITE Title : Electromagnetic transmission and detection at deep depths Personal Author(s) : Starkey, D. B. Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 140-148 URL : https://stacks.cdc.gov/view/cdc/8821 Starkey, D. B. (1973). Electromagnetic transmission and detection at deep depths. Starkey, D. B. "Electromagnetic transmission and detection at deep depths" (1973) Starkey, D. B. "Electromagnetic transmission and detection at deep depths" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 273.87 KB] Personal Author: Starkey, D. B. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: nvestigation into the expressions of the field produced by a loop over a conducting half space or in an infinite conducting half space are well docume... File Type: [PDF - 273.87 KB] File Type: [PDF - 273.87 KB] Performance of manpack electromagnetic location equipment in trapped miner location tests Cite CITE Title : Performance of manpack electromagnetic location equipment in trapped miner location tests Personal Author(s) : Farstad, Arnold J. Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 62-72 URL : https://stacks.cdc.gov/view/cdc/8810 Farstad, Arnold J. (1973). Performance of manpack electromagnetic location equipment in trapped miner location tests. Farstad, Arnold J. "Performance of manpack electromagnetic location equipment in trapped miner location tests" (1973) Farstad, Arnold J. "Performance of manpack electromagnetic location equipment in trapped miner location tests" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 1010.41 KB] Personal Author: Farstad, Arnold J. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: The use of radio signals for underground communications was considered as early as the mid-1920's [1] - [4] . However, early experiments did not produ... File Type: [PDF - 1010.41 KB] File Type: [PDF - 1010.41 KB] Radio propagation measurements in coal mines at UHF and VLF Cite CITE Title : Radio propagation measurements in coal mines at UHF and VLF Personal Author(s) : Goddard, Arthur E. Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 54-61 URL : https://stacks.cdc.gov/view/cdc/8809 Goddard, Arthur E. (1973). Radio propagation measurements in coal mines at UHF and VLF. Goddard, Arthur E. "Radio propagation measurements in coal mines at UHF and VLF" (1973) Goddard, Arthur E. "Radio propagation measurements in coal mines at UHF and VLF" , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 346.24 KB] Personal Author: Goddard, Arthur E. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: Radio propagation measurements were conducted in a coal mine at UHF (200 to 1000 MHz) and VLF (1 to 50 kHz) to characterize the transmission loss of i... File Type: [PDF - 346.24 KB] File Type: [PDF - 346.24 KB] Subsurface applications of periodic electromagnetic video pulse signals  Cite CITE Title : Subsurface applications of periodic electromagnetic video pulse signals  Personal Author(s) : Moffatt, David L. Conference Author(s) : Thru-the-Earth-Electromagnetics Workshop (1973 : Colorado School of Mines) Published Date : 1973 Series : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Source : Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines, p. 112-120 URL : https://stacks.cdc.gov/view/cdc/8818 Moffatt, David L. (1973). Subsurface applications of periodic electromagnetic video pulse signals . Moffatt, David L. "Subsurface applications of periodic electromagnetic video pulse signals " (1973) Moffatt, David L. "Subsurface applications of periodic electromagnetic video pulse signals " , 1973 Export RIS Citation Information. Copy Copied Save Generic APA MLA Chicago RIS [PDF - 354.63 KB] Personal Author: Moffatt, David L. 1973 | Proceedings of Thru-the-Earth Electromagnetics, August 15-17,1973, Colorado School of Mines Description: Considerable current interest is evident[l,2] in the use of transient electromagnetic methods for subsurface remote sensing. A transient method is dis... File Type: [PDF - 354.63 KB] File Type: [PDF - 354.63 KB]

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