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Published on Nov 2, 2011
This was the monthly countywide outdoor warning siren test in Cobb County, GA, for the month of November. This siren, a Federal Signal Thunderbolt 1000AT, is located at Marietta Fire Station #6 on Allgood Road in Marietta, and does a 3-minute alert signal alongside the rest of the 74 sirens in the county. Siren is running on a 208V polyphase service (Y-setup), and has its chopper set to terminal 6 in the RCM, rotating at 2RPM.
Also joining me for the test was Jeb (Blue10AEMia), Travis T. (DL1011), and Melissa ("melly"), with Jeb also recording a video of the siren.