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2. 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.

3. Distress signal - Wikipedia

   en.wikipedia.org/wiki/Distress_signal

   Distress signals are communicated by transmitting radio signals, displaying a visually observable item or illumination, or making a sound audible from a distance. A distress signal indicates that a person or group of people, watercraft, aircraft, or other vehicle is threatened by a serious or imminent danger and requires immediate assistance. [1]:

4. Emergency population warning - Wikipedia

   en.wikipedia.org/wiki/Emergency_population_warning

   Alert signal in France End of alert signal in France. In France, the population warning is made via air raid siren. This network is called the "Réseau national d'alerte" (RNA). The system is inherited from the air-raid siren network (défense passive) developed before World War II. It consists of about 4,500 electronic or electromechanical ...

5. Mayday - Wikipedia

   en.wikipedia.org/wiki/Mayday

   Mayday is an emergency procedure word used internationally as a distress signal in voice-procedure radio communications.. It is used to signal a life-threatening emergency primarily by aviators and mariners, but in some countries local organizations such as firefighters, police forces, and transportation organizations also use the term.

6. Emergency alert test – live: Government reveals why phone ...

   www.aol.com/emergency-alert-test-live-millions...

   Millions of people across the country received the first-ever nationwide test of the government’s new emergency alert system today.. While the alert was scheduled to go out at 3pm, many mobile ...

7. Here's why FEMA sent an emergency alert to your ... - AOL

   www.aol.com/news/heres-why-cellphone-emergency...

   Cellphones, TVs and radios across the U.S. simultaneously blared out an emergency alert today. Here's what to know and why it happened.

8. 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 ...

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

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

   This message, which ran for approximately one minute, stated: “This is a nationwide test of the Emergency Alert System, issued by the Federal Emergency Management Agency, covering the United ...