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  2. Did your cell phone make a screeching noise today? Here’s why

    www.aol.com/america-national-emergency-alert...

    Today was the day for the US government’s big emergency alert drill, which sent a test message to every TV, radio and cell phone in the nation. ... Test is the same combination of audio tones ...

  3. Emergency Alert System - Wikipedia

    en.wikipedia.org/wiki/Emergency_Alert_System

    On January 13, 2018 at approximately 8:07 a.m. HST, the Hawaii Emergency Management Agency (HI-EMA) mistakenly issued an emergency alert warning of a ballistic missile inbound threatening the region, which was claimed to be not a drill. 38 minutes later, it was announced by HI-EMA and the Honolulu Police Department that the alert was a false alarm.

  4. National Emergency Message - Wikipedia

    en.wikipedia.org/wiki/National_Emergency_Message

    National Emergency Messages are treated the same as any other message transmitted over the Emergency Alert System, except that stations are required to relay them. [2] When a message is received, the receiver is to open an audio channel to the originating source until the End of Message (EOM) tones are received.

  5. Civil danger warning - Wikipedia

    en.wikipedia.org/wiki/Civil_danger_warning

    597 wous44 klzk 272046 cdwlzk arc083-280000- urgent - immediate broadcast requested civil danger warning arkansas emergency management agency little rock arkansas relayed by national weather service little rock ar 346 pm cdt mon may 27 2019 the following message is transmitted at the request of the logan county emergency management agency and ...

  6. Sending emergency alerts is complicated. How to stay ... - AOL

    www.aol.com/sending-emergency-alerts-complicated...

    In addition to alerts sent out by the National Weather Service in coordination with local emergency management officials, Tennessee residents can download the ReadyTN app, which includes real time ...

  7. Specific Area Message Encoding - Wikipedia

    en.wikipedia.org/wiki/Specific_Area_Message_Encoding

    Specific Area Message Encoding (SAME) is a protocol used for framing and classification of broadcasting emergency warning messages. It was developed by the United States National Weather Service for use on its NOAA Weather Radio (NWR) network, and was later adopted by the Federal Communications Commission for the Emergency Alert System, then subsequently by Environment Canada for use on its ...

  8. Emergency Broadcast System - Wikipedia

    en.wikipedia.org/wiki/Emergency_broadcast

    The Emergency Broadcast System comprises all communications facilities designated and authorized by the Federal Communications Commission to operate during a period of national emergency." [ 8 ] This "grave national emergency" message recording and script above was not in use by individual stations or published in any known FCC document.

  9. Emergency override system - Wikipedia

    en.wikipedia.org/wiki/Emergency_override_system

    The Local Access Alert is initiated by local law enforcement or emergency management staff, much like the antiquated Emergency Broadcast System, by dialing a number and entering a PIN through a telephone to take control of the cable of an area in the path of danger. Cable subscribers in that area have every television channel interrupted by ...