Modify Selection
- Hazard prevention and control:
- Emergency communications
- Document types:
- Open File Reports
Home Links
Results 1 - 1 of 1
-
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