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- W657187207 abstract "Spread spectrum (SS) radio communications were chosen over underground fiber optics to communicate with traffic signal controllers in a new signal installation project in Turtle Creek Borough in Allegheny County, PA. It is already in use in adjoining jurisdictions. SS radio allowed the agency to avoid the costs of renting space on utility poles or renting service on an existing fiber optic network. SS radio is used widely by the military, utilities and railroads because it resists jamming and is difficult to intercept. The transmitted signal is spread by one of two ways to reduce losses from interference and noise from other broadcasts. Antennas were placed on the signal poles, with a repeater station at one intersection to guarantee clear transmission over hilly terrain." @default.
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- W657187207 date "2002-03-01" @default.
- W657187207 modified "2023-09-24" @default.
- W657187207 title "THE INSTALLATION AND USE OF SPREAD SPECTRUM RADIO IN DORMONT AND TURTLE CREEK BOROUGHS, PENNSYLVANIA" @default.
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