Just about all new sirens are going to be pole mounted per the manufacturers recommendations. Most of these new sirens will be either located at a public building like a firehouse, cop shop, or school, or just on city right of ways. Actually, almost all of Chicagos sirens are located on city right o...

Actually some of Chicago's old air raid sirens are on private property. There are 2 tbolts that come to mind that are still up. One is on the roof of a window company and the other is on top of a lubricant factory. Both have been abandoned by the city but are still on the roofs. Both are in pretty r...

Chicago- 92 Federal 2001's and 18 Federal Modulators. Most are mounted on wooden poles but a few of the 2001's downtown are on steel poles. There are still a few abandoned tbolt 1000's and at least one abandoned stl-10 still up on buildings.