This siren Shows what Sedgwick county does at it's best... the Dual Activation! The Siren clearly activates twice, and the second signal sent out is to attempt and get any sirens in the county to activate if they already haven't. This is one of their units with the "updated" cabinet, as it carries the 560hz tone.
http://www.youtube.com/watch?v=TgiTtiOzgyM
~Enjoy.
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MKIIProductions
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Whelen Vortex R-4 Showing the "Double Activation"
The unofficial ARS resident white noise since 2010
http://www.youtube.com/MKIIProductions
Jacob Green - 25, Wichita, Kansas
You can buy any radio you want, just don't buy a Baofeng and call it a scanner.
ONLY YOU CAN PREVENT MALICIOUS ACTIVATIONS
http://www.youtube.com/MKIIProductions
Jacob Green - 25, Wichita, Kansas
You can buy any radio you want, just don't buy a Baofeng and call it a scanner.
ONLY YOU CAN PREVENT MALICIOUS ACTIVATIONS
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San Clemente's SONGS community alert system does the double-activation as well.
http://www.youtube.com/watch?v=kNxmNBlnAmw
(I missed the first wind-up but caught the second one)
http://www.youtube.com/watch?v=kNxmNBlnAmw
(I missed the first wind-up but caught the second one)
"Calling Out To All"
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