I thought I'd provide the locations of a siren system I know very well, my hometown of Kettering Ohio. Kettering owns 9 ASC RM-127's and tests at the first monday of the month at noon. Heres some more info with locations https://www.ketteringoh.org/disaster-sirens/ https://www.google.com/maps/@39.69...

Here are some of the locations of some sirens in Moraine Ohio, don't know is some are still working FS Thunderbolt 1000t: located at 2717 Viking Ln ASC T-128: located of Ohio Sate Route 741 by the Montgomery County Solid Waste District ASC T-128: located of Pinnacle Road and Soldiers Home-West Carro...