72 DPI Image
150 DPI Image
300 DPI Image
|
| Title: |
Radios in Tunnels |
| Description: |
Electronics Engineer Dennis Camell (foreground) aligns antennas in an old California silica mine for a NIST study identifying optimal frequencies for radio signal transmissions in tunnels.
*EEEL
|
| Subjects (names): |
Camell, Dennis
|
| Topics/Categories: |
Communications--Telecommunications
|
| Type: |
Photo/Color |
| Source: |
National Institute of Standards and Technology |
Credit Line as it should
appear in print: |
Credit: G. Koepke/NIST |
| AV Number: |
08EEEL008 |
| Date Created: |
May 2008 |
| Date Entered: |
5/13/2008 |
