A tunnel transmitter allows wireless reception in tunnels. It consists of a receiving antenna which receives the signal to be radiated in the tunnel, and...
2 KB (270 words) - 18:16, 1 September 2023
Similar systems are used also occasionally for TV relay transmitters or as tunnel transmitters. In these cases, a Yagi antenna receives the transmitted...
4 KB (332 words) - 12:16, 9 December 2023
strips can be used as a radio-frequency identification (RFID) antenna. Tunnel transmitter Through the earth mine communications "Improvements coming soon to...
10 KB (1,101 words) - 04:47, 21 May 2024
tunnel is 2,530 m (8,300 ft) long and has tunnel transmitters for uninterrupted car radio and mobile telephone reception. The cost of the new tunnel was...
6 KB (741 words) - 13:27, 18 September 2020
as long as the BatNodes can see their neighbours. Project Sanguine Tunnel transmitter Leaky feeder Cave-Link [de] Communication with submarines Caving...
13 KB (1,460 words) - 22:02, 27 July 2024
the invention by Saleh et al., tunnel transmitters and leaky feeders had been used to provide radio reception in tunnels, mines, subway lines, and other...
8 KB (899 words) - 03:27, 31 July 2024
could be used to detect these tunnels. This new system uses a combination of sensors and special transmitters to locate tunnels. The IDF expects development...
84 KB (8,851 words) - 07:55, 14 August 2024
could be used to detect these tunnels. This new system uses a combination of sensors and special transmitters to locate tunnels. The IDF expects development...
32 KB (3,517 words) - 18:51, 7 August 2024
selected because its sandy soil made it difficult for POWs to escape by tunnelling. It is best known for two escape plots by Allied POWs. One was in 1943...
91 KB (12,006 words) - 23:50, 12 August 2024
Operation Monopoly (category Tunnels in Washington, D.C.)
plan by the United States Federal Bureau of Investigation (FBI) to build a tunnel underneath the Soviet Embassy in Washington, D.C., to gather secret intelligence...
21 KB (3,018 words) - 21:42, 6 June 2024