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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. Rumbler siren - Wikipedia

    en.wikipedia.org/wiki/Rumbler_siren

    Rumbler siren. A Rumbler siren is a type of emergency vehicle siren used primarily in the United States.Developed in 2007 by Federal Signal Corporation, and sounding at a low-frequency level, it is designed to be heard by motorists who may otherwise be unable to hear high-frequency sirens due to ambient noise, such as urban traffic.

  4. Comparison shopping website - Wikipedia

    en.wikipedia.org/wiki/Comparison_shopping_website

    A comparison shopping website, sometimes called a price comparison website, price analysis tool, comparison shopping agent, shopbot, aggregator or comparison shopping engine, is a vertical search engine that shoppers use to filter and compare products based on price, features, reviews and other criteria. Most comparison shopping sites aggregate ...

  5. 3 Best Grocery Price Comparison Apps To Help You Save - AOL

    www.aol.com/5-best-apps-comparing-grocery...

    Grocery price comparison apps are a great alternative, saving you time and money by showing you where to find the best deals. Check Out: Pocket an Extra $400 a Month With This Simple Hack 3 Best ...

  6. Royal Rumble winners: Full list of who won WWE event - AOL

    www.aol.com/royal-rumble-winners-full-list...

    The 2025 Royal Rumble will be held Saturday, Feb. 1, beginning at 3 p.m. ET. This article originally appeared on USA TODAY: Royal Rumble winners history: Full list of who won WWE event Show comments

  7. Federal Signal Modulator - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Modulator

    The Modulator has a similar setup to the Whelen WPS 2700, 2800, 2900, and OmniAlert omnidirectional speaker arrays. The Whelen arrays have single driver cells, [3] while Modulators have multi-driver cells. The American Signal I-Force siren, which uses stacked, elliptical speaker cells that provide omnidirectional sound output, is also similar ...

  8. 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.

  9. NASCAR Advance Auto Parts Weekly Series - Wikipedia

    en.wikipedia.org/wiki/NASCAR_Advance_Auto_Parts...

    For the 2010 season, NASCAR lowered the age minimum for its weekly racing series from 16 to 14. In 2005 the Weekly Series became the first NASCAR-sanctioned series to have a permanent presence outside of the United States, as tracks in Saint-Eustache, Quebec , Delaware, Ontario , and Wetaskiwin, Alberta , elected to be represented in the series.