The government has stated that the system would allow a president to speak during a national emergency within 10 minutes. The Emergency Action Notification is the notice to broadcasters that the president of the United States or their designee will deliver a message over the EAS via the PEP system. There are 77 radio stations designated as National Primary Stations in the Primary Entry Point (PEP) System to distribute presidential messages to other broadcast stations and cable systems. It contains information about who originated the alert (the president, state or local authorities, the National Weather Service (NOAA/NWS), or the broadcaster), a short, general description of the event (tornado, flood, severe thunderstorm), the areas affected (up to 32 counties or states), the expected duration of the event (in minutes), the date and time it was issued (in UTC), and an identification of the originating station (see SAME for a complete breakdown of the header).

info) is the most critical part of the EAS design.

The EAS is a front-end to the Integrated Public Alert and Warning System (IPAWS), which coordinates the distribution of alert information via multiple channels including the EAS, such as Wireless Emergency Alerts (WEA), using the Common Alerting Protocol (CAP). All broadcast and satellite television and radio stations, as well as cable television systems, are required to participate in the system.

The EAS regulations and standards are governed by the Public Safety and Homeland Security Bureau of the FCC. It is jointly coordinated by the Federal Emergency Management Agency (FEMA), the Federal Communications Commission (FCC) and the National Oceanic and Atmospheric Administration (NOAA). In practice, it is more commonly used at a regional scale to distribute information regarding imminent threats to public safety, such as severe weather situations (including flash floods and tornadoes), AMBER Alerts, and other civil emergencies.

Despite this, neither the system nor its predecessors have been used in this manner, due to the ubiquity of news coverage in these situations.

Like the EBS, the system is primarily designed to allow the President of the United States to address the country via all radio and television stations in the event of a national emergency. The EAS became operational on January 1, 1997, after being approved by the Federal Communications Commission (FCC) in November 1994, replacing the Emergency Broadcast System (EBS). The Emergency Alert System ( EAS) is a national warning system in the United States designed to allow authorized officials to coordinate and disseminate emergency alerts and warning messages to the public via terrestrial and satellite radio and television, including broadcast and multichannel television.

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