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  2. List of sirens built by Alerting Communicators of America

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

    This siren is similar to Federal Signal's Thunderbolt series. Only a single unit remains in service in Milwaukee, WI. Screamers Electro-Mechanical 2, 5, 7.5, 10 8, 9, 9/12, 10/12 1968–1994 Omni Directional 102–115 dB at 100 ft. Series of small vertical sirens, comparable to Federal Signal Corporation's vertical sirens. Sentry 95

  3. 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.

  4. SiraTone - Wikipedia

    en.wikipedia.org/wiki/SiraTone

    Six models of outdoor warning sirens were produced under the SiraTone brand. Model numbers were designated by the lettering EOWS (Electronic Outdoor Warning Siren) and an asterisk, followed by a number representative of the respective siren's decibel output or speaker array setup. All models utilized re-entrant speaker horns, arrays of 100 watt ...

  5. Federal Signal Model 2 - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Model_2

    The Model 2T was an omnidirectional siren manufactured by Federal Signal from the 1950s to the 1980s, mainly to fulfill the civil defense requirement for dual-tone warning signals. It had exactly the same design as the Model 2, but instead of a single-toned, 5-port chopper, it featured a dual-toned, 4/5 port chopper which produced 100 dBC at ...

  6. Hear an outdoor emergency siren in the county? Here's ... - AOL

    www.aol.com/hear-outdoor-emergency-siren-county...

    One of 67 of the St. Joseph County outdoor warning sirens are in place Monday, Feb. 27, 2024, at 1511 Milburn Boulevard at LaSalle Elementary School in Mishawaka.

  7. Changes coming to outdoor warning sirens in Hillsdale County

    www.aol.com/changes-coming-outdoor-warning...

    Beginning March 4, a date planned to mark the beginning of the 2024 testing schedule, the outdoor warning sirens will include a solid steady siren that will sound for one minute (during an actual ...

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