File:Alertronic High Powered Voice Siren.JPG
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Date/Time | Dimensions | User | Comment | |
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current | 08:51, 4 April 2006 | 800 × 1,200 (645 KB) | Rklawton | Alertronic High Powered Voice Siren, O'Fallon, Illinois, 2006. Robert Lawton (self) High powered voice and siren tone with 360 degree continuous coverage. Used for tornado warnings and other public emergencies. |
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