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Topic: Civil defense siren


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In the News (Thu 31 May 12)

  
  Civil defense siren - Wikipedia, the free encyclopedia
A civil defense siren, air raid siren, tornado siren, or other kind of outdoor warning siren, is usually considered to be an electrically-powered mechanical device for generating sound to provide warning of approaching danger and to indicate when the danger has passed.
Sirens are sometimes used to alert the public to releases of hazardous materials, such as chemicals from a derailed train car or a manufacturing plant.
The motor of the 2001 siren is located in the large cylinder at the center of the siren's megaphone-like horn, with the rotor and stator being located at the rear of the horn.
en.wikipedia.org /wiki/Civil_defense_siren   (3094 words)

  
 Geocaching Australia - Free and Open Geocaching
Civil alarm siren on the old tower near the church of S. Piero a Grado, with task of alarm in case of flood from the near Arno river.
This is civil defense siren in Benesov in the Czech Republic on the Town Hall.
THis is the siren in Hambach, 7 km north of Schweinfurt in Germany.
geocaching.com.au /cache/gcb918   (4505 words)

  
 Civil defense - Wikipedia, the free encyclopedia
Civil defense, spelt civil defence outside the United States and now often called civil protection, is an effort to prepare civilians for military attack.
Civil Defense is also the name of a number of organizations around the world dedicated to protecting civilians from military attacks, as well as to providing rescue services after natural and human-made disasters alike.
Civil Defense literature such as Fallout Protection were common during the cold war era.
en.wikipedia.org /wiki/Civil_defense   (1766 words)

  
 Village of Morrill Public Services
The civil defense siren is used for several purposes: it is the noon whistle.
The siren also is used to notify the general public of either a tornado or civil defense emergency.
A civil defense emergency warning is a solid blast for five minutes.
www.villageofmorrill.com /public_services.htm   (163 words)

  
 Citizen urges city to use microwave tower for siren
He proposed that a civil-defense siren be mounted there, providing an emergency alert system like the city once had.
While Mayor Joe Keck conceded that such a siren "would be excellent," he also stated that there are "no plans to dismantle the tower" and that Empire Electric Association still holds a valid lease.
Previously, such sirens were used to call out firefighters, but are now outdated because of pager technology.
www.cortezjournal.com /archives/1news1781.htm   (713 words)

  
 Siren (noisemaker) - Wikipedia, the free encyclopedia (via CobWeb/3.1 planetlab2.cs.umd.edu)   (Site not responding. Last check: 2007-10-08)
The pneumatic siren, which is a free aerophone, consists of a rotating disk with holes in it (called a siren disk or rotor), such that the material between the holes interrupt a flow air from fixed holes on the outside of the unit (called a stator).
Sirens are also used as musical instruments, such as in Edgard Varèse's Hyperprism (1924), The Klaxon: March of the Automobiles (1929 by Henry Fillmore, Ionisation (1931), recorded, in his Poeme Electronique (1958) and, (in a CBS News 60 Minutes segment) by experimental percussionist Evelyn Glennie.
Class B sirens are not as loud and must be mounted on a plane parallel to the level roadway and parallel to the direction the vehicle travels when driving in a straight line.
en.wikipedia.org.cob-web.org:8888 /wiki/Siren_(noisemaker)   (824 words)

  
 Civil Defense
Storm sirens are in place and ready to warn citizens of a tornado spotting or a tornado warning from the National Weather Service.
Sirens are tested every Saturday at noon during storm season, weather permitting, to ensure they are working properly and cover the needed area.
The first siren was activated by hand at the siren lock box but newer technology allows police dispatchers to activate them at a radio console.
www.frontenacks.net /government/civil.html   (839 words)

  
 VictorySiren.com - Internet Home for the Chrysler Air Raid Siren
The air raid sirens Chrysler built were invented by Bell Telephone Laboratories during World War II Three different production models of this siren design were made by Chrysler between 1942 and 1957.
This Detroit siren was one of the twenty sirens purchased in 1952 by the City of Detroit
Tower siren, lookout tower siren, a siren on a tower, steel siren tower, remote control siren, warning siren system, missile defense warning system, duck and cover, 1960's missile crisis Cold War siren system.
www.victorysiren.com /x/main.htm   (1259 words)

  
 VictorySiren.com™ - The Internet home of the Chrysler Air Raid Siren
The sirens Chrysler built were invented by Bell Telephone Laboratories during World War II Three different production models of this siren design were made by Chrysler between 1942 and 1957.
Because of the extreme sound power emitted by these sirens and the desire that their coverage area be extended as far as possible, they were usually mounted high on a steel tower or on top of multi-story building.
Stall plans to paint the siren to match it's name and factory color, restore this siren to good working condition and send it out to air shows where it can participate in WWII reenactments.
www.victorysiren.com /x/index.htm   (681 words)

  
 Siren network updated   (Site not responding. Last check: 2007-10-08)
There are about 175 civil defense sirens in Hamilton County, with 62 of them in the city of Cincinnati.
Most of the 49 political jurisdictions in the county have at least one siren, and all were asked in 1996 to convert from land lines to radio signals.
Mount Healthy is moving the location of its siren from the Cincinnati Bell building at Hamilton and Madison avenues to City Hall on Perry Avenue.
www.enquirer.com /editions/1998/09/28/loc_siren28.html   (369 words)

  
 Woodbury Minnesota Police & Fire
The first Wednesday of every month, the civil defense sirens are tested to make sure they are operating correctly.
The purpose of the siren is to notify the public of any inclement weather or emergency situations.
Each siren requires approximately 15 to 30 minutes to test on the first Wednesday of each month at 1 p.m.
www.ci.woodbury.mn.us /policefire/pssiren.html   (112 words)

  
 Cold War Era Civil Defense Museum-Main Page (via CobWeb/3.1 planetlab2.cs.umd.edu)   (Site not responding. Last check: 2007-10-08)
This virtual museum is dedicated to the Civil Defense and emergency workers of the United States who worked throughout the Cold War to try to protect the public from nuclear attack.
There are many aspects of the civil defense program that may seem funny today, but the Cold War was a very scary time.
Civil defense officials and volunteers during that time were very serious about their work and I believe they deserve respect for their efforts.
www.civildefensemuseum.com.cob-web.org:8888   (394 words)

  
 Nuclear Air Raid Siren
Sirens were phased out as an emergency warning system in the early 1980's as it became more difficult to cover the whole growing community." (Excerpt and picture from the Florida Times Union newspaper)
Siren below was used to summon the Volunteer Firefighters at Mandarin Fire Station #42.
Below, Are sirens that have met their demise, ending up in the scrap heap.
www.wpla.net /siren   (328 words)

  
 Civil Defense Agency
The Maui Civil Defense Agency has responsibility for administering and operating the various local, state, and Federal civil defense programs for the County.
This includes planning, preparing, and coordinating civil defense operations in meeting disaster situations and coordinating post-disaster recovery operations.
Civil Defense instructions are broadcast over radio, television, and cable TV systems.
www.mauicounty.gov /departments/CivilDefense   (494 words)

  
 Civil Defense Siren News Articles   (Site not responding. Last check: 2007-10-08)
This siren is most likely still part of their siren system today.
The siren in the picture is obviously a roof mounted siren.
The sirens were activated by fire fighters at the stations after being notified by phone to turn on the sirens.
www.civildefensemuseum.com /sirens/sirenpx3.html   (221 words)

  
 Civil Defense, 1955   (Site not responding. Last check: 2007-10-08)
A report by the Mayor's Special Committee on Civil Defense estimated that 1 million people could be moved from the worst danger zones in an hour by rail, subway, and ferryboat.
In a recapitulation tonight, the Federal Civil Defense Administration estimated assumed casualties at 5,000,000 killed and almost 5,000,000 injured.
For Operation Alert, the Federal Civil Defense Administration had gathered more than 100 reporters at the Emergency Press Headquarters to spread news of the mock disaster to the population.
www.fhwa.dot.gov /infrastructure/civildef.htm   (2626 words)

  
 [No title]
Response Agencies Maui County Civil Defense Agency is entrusted with the protection of life and property within the County of Maui during emergency or disaster situations.
The agency is responsible for administering and operating the various Local, State and Federal Civil Defense Programs for the County.
The Maui County Civil Defense Agency also works at maintaining and upgrading the Civil Defense Siren Warning System, trains governmental and civilian volunteer emergency response force, and pursues a public awareness program on emergency preparedness.
www.mauicounty.gov /departments/CivilDefense/mitigation.txt   (10591 words)

  
 Sirens & More - Sirens, Fire Alarms, and Nuclear Energy
The DSA series of Federal Signal is an electronic siren capable of sending out siren tones such as: Alert, attack, wail, alternate steady, alternate wail, pulsed wail, pulsed steady, and of course, Westminster chimes.
Electronic sirens such as these make sound by using compression drivers (sort of like stereo speakers) except they are programmed with tones.
All electronic sirens run on batteries or solar panels unlike mechanical sirens; however, electronic sirens have a draw back: the cells or drivers only last about 20 years.
www.freewebs.com /2t22/sirens.htm   (1147 words)

  
 Kirkwood Community College - Facilities
The Civil Defense office will monitor all weather conditions and report watches or warnings of any expected severe conditions to the Director of Facilities office.
A civil defense siren is on the roof and is activated when danger is imminent.
A civil defense siren will be activated by Linn County Civil Defense when danger is imminent.
www.kirkwood.edu /plantservices/severe_weather.htm   (1498 words)

  
 Civil Defense Siren Pictures
This old Sterling siren is mounted on an old concrete water tower in Fredericksburg Texas.
When I was in Fredericksburg in July 2003 this siren had been disconnected but was still on the concrete tower.
I think the city was still using the siren up to the time it was disonnected.
www.civildefensemuseum.com /sirens/sirenpx.html   (476 words)

  
 Homeland Civil Defense - Homeland Civil Defense
Civil defense doesn't have a computer to break into.
All of the materials printed on all of our civil defense websites is recreated on these DVDs.
But more extraordinary; all the essential education you need to implement the recommendations of the books are deonstrated on video for you and your family to see.
www.homelandcivildefense.org /view/homelandcivildefense/s141p1414.htm   (919 words)

  
 Hurst Fire Department - Emergency Sirens
The purpose of the Outdoor Warning Sirens is to warn the public of possible dangers such as a National Emergency, Weather related emergency, or a major disaster.
The frequency or the loudness of the sirens are such that you can hear the siren when you are outside.
For the sirens to be loud enough to be heard inside homes and businesses, the loudness would be so great it would hurt people close by or outside.
www.ci.hurst.tx.us /Safety/Fire/Emergencymgmt/Sirens.htm   (281 words)

  
 Civil Defense Siren Pictures Page 2
Among these photos are these 2 of a mobile Thunderbolt siren mounted in the bed of a Ford pick-up truck.
Maybe this is a demonstration vehicle that came from Federal to demonstrate the siren.
The upper section of the siren has 12 ports and the lower has 10 ports resulting in 2 tones produced.
www.civildefensemuseum.com /sirens/sirenpx2.html   (652 words)

  
 SE Asia disaster a wake-up call here - The Honolulu Advertiser - Hawaii's Newspaper
State Civil Defense Vice Director Ed Teixeira said the Islands are protected by three DART systems south of the Aleutian Islands and two between Hawai'i and the West Coast.
If a particular siren is reported as not working, police cars will head into the neighborhood to get people evacuated.
Teixeira said state Civil Defense held two tsunami exercises during 2004 and has another scheduled in April, which is Tsunami Awareness Month.
the.honoluluadvertiser.com /article/2004/Dec/28/ln/ln08p.html   (1550 words)

  
 UNIVERSITY GUIDE TO SERVICES - OU Police Department
The City of Norman maintains a city-wide civil defense warning siren network which is used to signal imminent danger from tornadoes.
Buildings on campus of substantial masonry construction are generally considered safe for use as protective areas from a tornado; most have basements or subterranean levels.
Instructors are to advise students to proceed to a lower level hallway or the basement of the building.
www.ou.edu /aa/emerg.htm   (561 words)

  
 Alarm Sirens & Strobes
Alarm strobe lights and home alarm sirens are a proven deterrent to intruders, but a home security system with alarm sirens, installed by professionals can cost thousands of dollars.
Whether you are looking for home fire alarm sirens for less than $20 or security strobe lights, The Home Security Store has everything you need for your home security.
With our expertise on all home alarm sirens, low prices and free ground shipping on all alarm sirens and strobe light orders over $100, you can trust your purchase to The Home Security Store.
www.homesecuritystore.com /alarm-sirens.htm   (209 words)

  
 Genesee County Amateur Radio Emergency Service, Inc.   (Site not responding. Last check: 2007-10-08)
The Genesee County Office of Emergency Management requests each year that we help in the testing of the approximate 46 sirens in Flint and the Genesee County area.
The sirens are usedfduring the activation of tornado warnings which are initiated by the National Weather Service in White Lake.
This is where you come in: We will open the net on March 6 at 12:50 PM and announce that the sirens will begin sounding at 1:00 pm.
www.gcares.org /print.php?sid=82   (181 words)

  
 Civil Defense Historical Musings
The barely lit wooden floor was also whisper quiet; whatever Civil Defense employees worked upstairs and I don't recall encountering a single person during the sundry poke-arounds where I'd wander among the trucks, touching everything in propelled curiosity and hushed awe.
During those same years, before moving down south at age 14, that curious, Cold War entity Civil Defense was also encountered as a weekly-meeting cadet in the Civil Air Patrol, AKA United States Auxiliary Air Force.
But the oft-spotted, triangle-shaped Civil Defense logo is still spotted on the sundry warning siren or vintage fire pumper.
www.legeros.com /essays/cd   (2909 words)

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