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More modern alerts use a black screen with the words "Local Access Alert" in all capital letters with a message stating that "a local authority has initiated a direct community access"; the text was generated using the Trilithic EASyPLUS character generator (the same one used for the Emergency Alert System).
The Emergency Alert System (EAS) is a national warning system in the United States designed to allow authorized officials to broadcast emergency alerts and warning messages to the public via cable, satellite and broadcast television and AM, FM and satellite radio.
The latest test should come to cellphones and other wireless devices one time each through the Wireless Emergency Alerts system. “A WEA alert appears on the screen of the recipient’s handset ...
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A National Emergency Message (SAME code: EAN), formerly known until 2022 as an Emergency Action Notification, is the national activation of the Emergency Alert System (EAS) used to alert the residents of the United States of a national or global emergency such as a nuclear war or any other mass casualty situation.
Cellphones, TVs and radios across the U.S. simultaneously blared out an emergency alert today. Here's what to know and why it happened.
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