File:Alertronic High Powered Voice Siren.JPG
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High powered voice and siren tone with 360 degree continuous coverage. Used for tornado warnings and other public emergencies.
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|current||15:51, 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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