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  2. Whelen Engineering Company - Wikipedia

    en.wikipedia.org/wiki/Whelen_Engineering_Company

    The Whelen Company is divided into four divisions and has a subsidiary called Whelen Motorsports.. The four divisions of the company are as follows: The Automotive Division — provides lightbars, dashlights, strobe kits, siren boxes, and other public warning systems to be mounted on or within vehicles, [3] rotating sirens, and student alert systems with voice broadcast capability.

  3. Federal Signal Modulator - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Modulator

    Federal Signal Modulator. A Federal Signal Modulator siren in Bay Head, New Jersey. Federal Signal Modulators (also known as Modulator Speaker Arrays) are electronic warning devices produced by Federal Signal Corporation that are used to alert the public about tornadoes, severe weather, earthquakes, fires, lahars, tsunamis, or any other disaster.

  4. Civil defense siren - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_siren

    A civil defense siren is a siren used to provide an emergency population warning to the general population of approaching danger. Initially designed to warn city dwellers of air raids (air-raid sirens) during World War II, they were later used to warn of nuclear attack and natural disasters, such as tornadoes (tornado sirens).

  5. Richland County to spent nearly $194,000 to upgrade tornado ...

    www.aol.com/richland-county-spent-nearly-194...

    Vasu Communications will upgrade controls for the county's 44 tornado warning sirens. American Rescue Plan Act dollars will pay for the project. Richland County to spent nearly $194,000 to upgrade ...

  6. ACA Hurricane - Wikipedia

    en.wikipedia.org/wiki/ACA_Hurricane

    ACA Hurricane. The ACA Hurricane is an electro-mechanical and rotating-directional, 135 dB civil defense siren, created and a produced siren by Alerting Communicators of America (ACA). ACA began manufacturing the Hurricane 130 in 1968, and ended production in 1981. The Hurricane 130 is very similar to the Federal Signal Thunderbolt series ...

  7. Tornado siren to move to water tower at Brookside Park - here ...

    www.aol.com/tornado-siren-move-water-tower...

    November 9, 2023 at 4:53 PM. On Thursday, EMA Director Anne Strouth asked the Ashland County Board of Commissioners to approve moving the tornado siren, currently located near Edison School, to a ...