On 7 1/2-mi long San Francisco-Oakland Bay Bridge, Calif, traffic control is achieved by f-m 2-way radio telephone with 30-w " Motorola" f-m transmitter, located on bridge itself, enabling service patrol cars, each equipped with "Motorola" mobile receiver and transmitter to maintain constant communication with dispatcher.
Radiotelephone keeps traffic moving on long highway bridge
Roads Bridges
Roads and Bridges ; 86 , n 10
1948
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Assessment of bridge-to-bridge radiotelephone in collision prevention
Tema Archiv | 1978
|New manhole cutter keeps the traffic moving
Tema Archiv | 2003
|Operation of ship-shore radiotelephone system
Engineering Index Backfile | 1932
|Air to ground radiotelephone communication systems
Tema Archiv | 1977
|Land mobile radiotelephone systems in Japan
Tema Archiv | 1977
|