The nation's first emergency alert system test
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The nation's first emergency alert system test
A National Emergency Message (S.A.M.E Code: EAN), formerly known as Emergency Action Notification from 1963 to 2022, is one of the oldest and one of the most important types of alerts of the Emergency Alert System timeline, having been first introduced with the CONELRAD system's only message to alert the United States during an attack from the ...
2022年12月23日
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