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Bama2001
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OKC Sirens

Fri May 18, 2007 10:54 pm

I was wondering what type of sirens oklahoma city used before the whelens they currently have
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holler
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Sat May 19, 2007 1:21 am

I think they had Thunderbolts and SD-10s like Norman.
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AllSafe
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Sat May 19, 2007 2:12 am

I think they had primarily Thunderbolts in their system. They've had Whelen sirens for a very long time, probably since the mid-1980s.
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3t22
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Sat May 19, 2007 4:30 am

AllSafe wrote:I think they had primarily Thunderbolts in their system. They've had Whelen sirens for a very long time, probably since the mid-1980s.
Their old system of 44 sirens, consitied of T-bolts installed in the 50s/60s and Penetrators installed 1981-1982. in 2002 a system of 71 2800s and 111 Vortexes went up, and are currently protecting the city. They're tested every Saturday at 12:00PM CST in one round of whoop than alert for 3 minutes, which is also used for tornado warnings.
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