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2. Q2B - Wikipedia

   en.wikipedia.org/wiki/Q2B

   This Q2B or "Q-siren" is mounted on a Pierce Platform Aerial Fire Truck owned by the City of Bellingham, WA. The Q2B siren ("Q-siren") [1] is an electromechanical siren that is produced by the Federal Signal Corporation and is most recognizable for its sound, which is trademarked, and the look of the siren.

3. Federal Signal Modulator - Wikipedia

   en.wikipedia.org/wiki/Federal_Signal_Modulator

   The system uses a distinctive "WHOOP" tone that was originally produced for Federal Signal's line of fire alarms. The system is tested on the second Monday of every month at 6:00pm. [6] Alaska has many Federal Signal Modulators and Eclipse 8s on their All Hazard Siren System. They sound for tsunamis as well.

4. 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.

5. List of civil defense sirens - Wikipedia

   en.wikipedia.org/wiki/List_of_civil_defense_sirens

   Thunderbolt (siren) Federal Signal 3T22 / 2T22; ... Federal Signal STH-10; Other. Chrysler Air-Raid Siren; Sentry Siren; SiraTone This page was last edited on 5 ...

6. Federal Signal 3T22 - Wikipedia

   en.wikipedia.org/wiki/Federal_Signal_3T22

   A Federal Signal 2T22 siren. The Federal Signal 3T22 and 2T22 are dual-tone, mechanical outdoor warning sirens made by Federal Signal Corporation (formerly Federal Sign and Signal Corporation) from 1952 through the early 1990s. Both have a very recognizable design, with a ten-port rotor (chopper) on the bottom with ten cones (horns) and a 12 ...

7. Maintenance being done on sirens in Oak Ridge, you may ... - AOL

   www.aol.com/maintenance-being-done-sirens-oak...

   In case of an actual emergency on the Oak Ridge Reservation, sirens will sound simultaneously with the standard three-minute tone. Maintenance being done on sirens in Oak Ridge, you may hear ...

8. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   homepage.aol.com

   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

9. Bird in England Mimicking a Police Siren Sounds Just Like the ...

   www.aol.com/bird-england-mimicking-police-siren...

   It sounds just like a real siren and had everybody fooled! ... every type of crow is listed on the Department of the Interior's Federal Register of Migratory Birds. So this means that it is ...