Modify Selection
- Equipment, tools, and parts:
- Antennas
- Document types:
- Contract reports
Home Links
Results 1 - 3 of 3
-
3/1/1981 - Contract reportsThis report describes the design and implementation of UHF radio and closed-circuit television systems in the Black River room and pillar limestone mine near Butler, Pendleton County, Kentucky.
-
9/1/1978 - Contract reportsThis report covers antenna design, analysis, and development work suited for use with a wireless radio communication system operating at medium frequency. The work includes the test and evaluation of prototype vehicular antennas developed during the pro...
-
9/1/1977 - Contract reportsAn investigation was made of the feasibility of developing compact transmit antennas and/or other means to efficiently couple VLF to MF band radio energy between portable wireless communication units in coal mines. The completely wireless communication ...
Home Links
Content source: National Institute for Occupational Safety and Health, Mining Program