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  2. Federal Signal Modulator - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Modulator

    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. They are identified mostly by their distinctive stacked "flying saucer" design.

  3. List of sirens built by Alerting Communicators of America

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

    A small industrial siren. These used smaller horns than the others. They had one 100 watt driver per horn (AL-1000) or two 100 watt drivers per horn (AL-2000). Horns could be removed for uni-directional applications. AL-4000/AL-6000/AL-8000 Electronic none none 1984-1995 Omni/uni Directional dB rating depends on model.

  4. Civil defense siren - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_siren

    A typical siren found on police stations in Taiwan, seen with loudspeakers around it. Either the yellow mechanical siren or the surrounding electronic sirens are in service. Taiwanese civil defense sirens are erected on police stations and commanded by the nation's Civil Defense Office (民防指揮管制所). The government issues air raid ...

  5. 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.

  6. Texas House speaker primary lays bare the state GOP's power ...

    www.aol.com/news/texas-house-speaker-primary...

    Approximately $7 million has been spent in the state House district in 2023 and 2024, with Phelan’s campaign spending a whopping $3 million, while Covey’s campaign has spent a little more than ...

  7. Texas wants to buy surplus border wall parts but U.S ... - AOL

    www.aol.com/news/texas-wants-buy-surplus-border...

    Texas officials try to intercept sale of surplus border wall materials Patrick noted that Texas became aware of the materials slated for auction on Dec. 12, the same day the Daily Wire reported ...

  8. Siren (alarm) - Wikipedia

    en.wikipedia.org/wiki/Siren_(alarm)

    An air compressor blows the air into one set of horns, and then it automatically switches to the other set. As this back and forth switching occurs, the sound changes tones. Its sound power varies, but could get as high as approximately 125 dB, depending on the compressor and the horns.

  9. West Texas state rep poised to be next Texas House speaker - AOL

    www.aol.com/west-texas-state-rep-poised...

    The House won't officially vote for the new speaker until Jan. 14, after new members are sworn into office on the first day of the 89th Texas Legislative Session. In January, 88 Republicans and 62 ...

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