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  2. List of civil defense sirens - Wikipedia

    en.wikipedia.org/wiki/List_of_civil_defense_sirens

    Download QR code; Print/export Download as PDF; Printable version; ... Chrysler Air-Raid Siren; Sentry Siren; SiraTone; Decot; Heath Siren This page was last edited ...

  3. File:Air raid siren from Hillingdon House roof, RAF Uxbridge ...

    en.wikipedia.org/wiki/File:Air_raid_siren_from...

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  4. Chrysler Air-Raid Siren - Wikipedia

    en.wikipedia.org/wiki/Chrysler_Air-Raid_Siren

    The Chrysler Air Raid Siren is an outdoor warning siren produced during the Cold War era that has an output of 138 dB(C) at 100 feet. It was known as the Chrysler Bell Victory Siren during its first generation, which was between the end of World War II and the fall of the Berlin Wall. It is reputed to be the loudest air raid siren ever produced ...

  5. Category:Sirens - Wikipedia

    en.wikipedia.org/wiki/Category:Sirens

    Download as PDF; Printable version; ... move to sidebar hide. Help. Air raid and outdoor warning sirens. Pages in category "Sirens" ... Chrysler Air-Raid Siren; Civil ...

  6. Civil defense siren - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_siren

    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 sirens placed all over France. [36] The system is tested each month at noon on the first Wednesday.

  7. South Korea holds first major air raid siren drills in six years

    www.aol.com/south-korea-holds-first-major...

    Exercise that aims to prepare citizens in event of an attack by North Korea met with mixed reception

  8. All clear - Wikipedia

    en.wikipedia.org/wiki/All_clear

    A British air raid siren from the Second World War. All clear is the signal, generally given by an air raid siren, which indicates that an air raid or other hazard has finished and that it is safe for civilians to leave their shelters; it is commonly used in radios as well.

  9. ATI HPSS - Wikipedia

    en.wikipedia.org/wiki/ATI_HPSS

    San Francisco, California - This system is unique featuring the sound of the decommissioned Federal Signal STL-10 sirens that the HPSS units replaced; Casitas Dam, Ventura, California - This system is unique as they look like the Federal Signal Directional Speaker Array (DSA) sirens, but can have 7–8 speakers per stack, and gray caps on the speaker cones.