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  2. List of sirens built by Alerting Communicators of America

    en.wikipedia.org/wiki/List_of_sirens_built_by...

    One of the largest Alertronics. These had 24 CJ46 horns, each driven by three 100 watt drivers. The total wattage is 7200 watts. They were configured with three rows of horns, each row having eight horns around. These sirens were used in the Oak Ridge, TN siren system, and are not known to be installed elsewhere. AL-1000/AL-2000 Electronic none ...

  3. Whelen Engineering Company - Wikipedia

    en.wikipedia.org/wiki/Whelen_Engineering_Company

    An example product from the Mass Notification Products Division is the Whelen Hornet, which is an electronic civil defense siren introduced in 1995. It contains a single 400-watt speaker. The siren's appearance is best described as a small dish on a square rotator platform, with the single driver located at the center of the horn.

  4. ATI HPSS - Wikipedia

    en.wikipedia.org/wiki/ATI_HPSS

    Owasso, Oklahoma had 16 ATI HPSS32 sirens that were installed more than 20 years ago. In December of 2023, all 16 HPSS32 sirens were replaced with Whelen WPS-2910 omnidirectional sirens, and a 17th Whelen was installed near Stone Canyon Elementary. Israel has 3100 sirens as a part of its warning system, and 300 of them are HPSS32 sirens.

  5. What 'secret' loudspeaker codes mean at department stores - AOL

    www.aol.com/news/2010-10-13-what-secret...

    If you've been shopping in a big box retail store you've probably heard an announcement on the loudspeaker such as, "code yellow toys, code yellow toys." This "code" is one of many innocuous ...

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

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

    Commissioners accepted a quote from VASU Communications in the amount of $28,370.07 for the removal of the tornado siren at Edison School and the purchase and installation of a new tornado siren ...

  7. Civil defense siren - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_siren

    The purpose of warnings is to notify the population of a danger that threatens their lives. Individuals must go to shelters or their homes, lock doors and windows, take appropriate protective actions, and listen through the radio and television for instructions of civil defense. The entire siren system is ASC I-Force and Whelen WPS-2900 series.