Modify Selection
- Population groups:
- U.S. Bureau of Mines
- Document types:
- Open File Reports
Home Links
Results 1 - 2 of 2
-
12/1/1983 - Contract reports, Open File ReportsA new postdisaster communication and location system using through-the-earth electromagnetic wave propagation was tested at the Bureau of Mines Lake Lynn Experimental Mine. This describes the testing process and findings.
-
3/1/1972 - Contract reports, Open File ReportsThis report comprises three working memoranda that present preliminary performance estimates for baseband voice and narrowband through-the-earth electromagnetic communications systems of principal interest to the Bureau of Mines for operational/emergenc...
Home Links
Content source: National Institute for Occupational Safety and Health, Mining Program