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emergency broadcast system
The Emergency Broadcast System (EBS), sometimes called the Emergency Action Notification System (EANS) was an emergency warning system used in the United States that replaced the CONELRAD system. EBS was used from 1963 to 1997, at which point it was replaced by the Emergency Alert System.
==Purpose==
"The system was established to provide the President of the United States with an expeditious method of communicating with the American public in the event of war, threat of war, or grave national crisis." The Emergency Broadcast System replaced CONELRAD on August 5, 1963. In later years, it was expanded for use during peacetime emergencies at the state and local levels.〔
Although the system was never used for a national emergency, it was activated more than 20,000 times between 1976 and 1996 to broadcast civil emergency messages and warnings of severe weather hazards.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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