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  2. NOAA Weather Radio - Wikipedia

    en.wikipedia.org/wiki/NOAA_Weather_Radio

    When an alert is transmitted, the SAME header/data signal ⓘ is broadcast first (heard as three repeated audio "bursts"), followed by the 1,050 Hz attention tone, then the voice message, then the end-of-message (EOM) data signal (repeated quickly three times). This encoding/decoding technology has the advantage of avoiding "false alarms ...

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

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

    Essentially, what this means is that hundreds of millions of cell phones around the country made a screeching alert noise at approximately the same time today, beginning around 2:20 pm ET. Radio ...

  4. Fire alarm notification appliance - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_notification...

    In 1970, Space Age Electronics introduced the first visual notification appliance, the AV32 light plate (which was installed over an existing horn) and V33 remote light. Meanwhile, in 1976, Wheelock introduced the first horn/strobe notification appliances with its 7000 series. The majority of visual signals throughout the 1970s and 1980s were ...

  5. Emergency Alert System - Wikipedia

    en.wikipedia.org/wiki/Emergency_Alert_System

    The FCC issued several fines relating to EAS tone usage in August 2019, including ABC being fined $395,000 for using wireless emergency alert tones multiple times during a Jimmy Kimmel Live sketch, AMC Networks being fined $104,000 for using the tones in The Walking Dead episode "Omega", Discovery Inc. being fined $68,000 for including footage ...

  6. How to reset a smoke alarm that won’t stop beeping - AOL

    www.aol.com/reset-smoke-alarm-won-t-205535790.html

    The alarm features a replacement alert that signals when it’s time to replace the unit at the end of its life. First Alert Hardwired Smoke and Carbon Monoxide Detector $79.99 at Amazon

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

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

    The nation reacts as first emergency alert test goes off 15:47 , Martha Mchardy People across the UK are reacting after they received the first-ever nationwide test of the government’s new ...

  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. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    Response time measured with arrival of first emergency responder Will be attended by single responders and ambulance crews Category 2: Emergency: Always used: Stroke patients, Fainting – not alert, Chest pain, Road Traffic Collisions, Major burns, Sepsis: 18 min Response time measured with arrival of transporting vehicle Category 3: Urgent