Soon after American Tower was founded, the company began purchasing numerous AT & T Long Lines microwave telephone relay towers.
12.
In the 1930s, the earliest digital logic systems were constructed from telephone relays because these were inexpensive and relatively reliable.
13.
And aircraft like Helios, Goldin said, could be deployed above disaster areas as a cellular telephone relay center for rescue workers.
14.
The prototype used telephone relays and a servo motor and a sound card to mimic the cardiovascular functions of the human body.
15.
Radar facilities on the mountains near Sarajevo were hit, as were radio and telephone relay centers in the north and east of Serb-held territory.
16.
In the early 1970s, these small successes in St . Louis evolved into the nation s first local telephone relay system for the deaf.
17.
Helene Kirsch attended junior school locally in Johannisthal and then obtained work as an assembly worker at the Lorenz Telephone Relay Company in Tempelhof.
18.
High on Ice Caves Mountain, the only electrical equipment on hand was a small forest of cellular telephone relay towers that sprouted from the pines.
19.
The complaint charged that the quality of Massachusetts'telephone relay service for people who are deaf or hard of hearing has deteriorated since MCI began running it in 1996.
20.
Improving on the basic Z2 machine, he built the binary 22-bit floating point calculator featuring programmability with loops but without conditional jumps, with memory and a calculation unit based on telephone relays.