wiki.thesirenboard.comAir Raid Sirens Wiki

From airraidsirens.net, the Internet’s premiere site for siren information and discussion Jump to navigation Jump to search Welcome to The ! This site is about air raid sirens. Most people know what these are, and they’ve most likely heard the sounds, but how many can tell you what they look like? What they weigh? How they work? Who makes them? Not many! That’s why this site existsto satisfy anyone who wants to know more about these sirens. New reader or editor? Need help? Click here. Did you know? ...that the Surry Power Station ’ s activation sequence for their system results in a distinct "triple windup"? ...that, although having two more cells, the Modulator II 8032B is still 23.64 inches shorter than the Modulator 6048 ? ...that the national siren system in Denmark is one of the largest single systems using Whelen sirens, with 1,078 sirens covering 80% of the country? ...that the Model 2 is the oldest siren currently in production, dating back to around 1921? ...that Fort McPherson , Northwest Territories, and Cambridge Bay , Nunavut, are home to two of the few sirens located north of the Arctic Circle, both STH-10s ? ...that, contrary to popular belief, the " 2001-DC " is not a model in itself, but rather refers to battery-equipped units in general? Archive Selected siren The Modulator II is a family of omnidirectional sirens produced by Federal Signal Corporation . The seven models can produce 106 to 124 dBc at 100 feet. More sirens... Categories Sirens Dual Toned Sirens Electromechanical Sirens Electronic Sirens Omnidirectional Sirens Pnuematic Sirens Rotating Sirens Single Toned Sirens Siren Manufacturers Siren Control Equipment Electromechanical Siren Controls Electronic Siren Controls Radios Signal Timer Siren Manufacturers Acoustic Technology, Incorporated Alerting Communicators of America American Signal Corporation Eaton Federal Signal Corporation Sentry Siren Incorporated SoCal Edison W.S. Darley & Co. Whelen Engineering Systems Systems by company Systems by state Systems by type Purge server cache Retrieved from " https://wiki.airraidsirens.net/index.php?title=Air_Raid_Sirens_Wiki&oldid=2680 " Navigation menu Personal tools Log in Request account Namespaces Main Page Discussion English Views Read View source View history More Navigation Main page Recent changes Random page Around the site Home The Siren Community Air Raid Sirens Forums Tools What links here Related changes Special pages Printable version Permanent link Page information Cite this page This page was last edited on 31 July 2018, at 09:26. Privacy policy About...