enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. 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.

  3. 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.

  4. American Signal Corporation - Wikipedia

    en.wikipedia.org/wiki/American_Signal_Corporation

    American Signal Corporation (ASC) is an outdoor warning siren and mass notification company in the United States. ASC was founded in 1873 as Biersach and Niedermeyer (B&N). After performing poorly, the company reformed as Alerting Communicators of America (ACA) in 1968, and expanded the line of warning systems they produced. In 1992, ACA went ...

  5. 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

  6. Does Fort Worth have tornado warning sirens? Here’s what we ...

    www.aol.com/does-fort-worth-tornado-warning...

    What do the warning sirens in Fort Worth mean? Fort Worth has an outdoor siren system that sounds when severe weather conditions are present. The storm spotter, which triggers the siren ...

  7. Hawaii has a robust emergency siren warning system. It sat ...

    www.aol.com/hawaii-robust-emergency-siren...

    Hawaii residents have long been accustomed to the monthly tests of the outdoor siren warning system. “We rely on that emergency alert system to keep us safe from a number of things,” she told ...

  8. Federal Signal Corporation - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Corporation

    By this time, it made outdoor warning sirens, police sirens, fire alarms, and outdoor lighting. By 1961, Federal Sign and Signal had gone public, trading on the NASDAQ market. This was when new products started being manufactured and sold, such as the Federal Signal Model 2. In 1976, the company became Federal Signal Corporation.

  9. Siren (alarm) - Wikipedia

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

    An 1860s-era siren. [2] A siren is a loud noise-making device. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Sirens are used on emergency service vehicles such as ambulances, police cars, and fire engines. There are two general types: mechanical and electronic.