At Azotea tunnel / TECHNICAL SERVICE CENTER / TUNNEL COMMUNICATION TEST RESULTS Prepared / Technical Services Group Technical Service Center / Measurement Test Equipment Setup Azotea Tunnel / TUNNEL COMMUNICATIONS TEST RESULTS J. DeHaan M. L. Jacobs Hydroelectric Research / Azotea tunnel / Tunnel Descriptions / William C. Jakes / /
IndustryTerm
radio systems / technology commercial hand-held / communication equipment / wireless system / present microwave receiver technology / repeater systems / communication systems / steel-lined concrete / confined-space communication systems / usable communications distance / antenna equipment / improved communications / /
NaturalFeature
Lake Siphon / /
Organization
Bureau of Reclamation / TECHNICAL SERVICE CENTER Denver / TUNNEL COMMUNICATIONS TEST RESULTS J. DeHaan M. L. Jacobs Hydroelectric Research and Technical Services Group Technical Service Center U.S. Bureau of Reclamation Denver / U.S. Government / Occupational Safety and Health Administration / Contacting Bureau / /
Position
conductor / /
Product
Sony Portable Radio / Olympus E-3 Digital Camera / /
TECHNICAL SERVICE CENTER Denver, Colorado Hydroelectric Research and Technical Services Group Project Notes[removed]