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thunderbolt69
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Location: Somewhere in Ohio

Sun May 11, 2008 10:54 pm

Wow that is very interesting. It sounds like a P-50/T-135. I wonder when Federal Signal produced this siren and took it out of production.

Atiblaster
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YouTube Username: East Coast Alerting

Re: Calhan, Colorado Siren (Federal Signal 550AT)

Sun Jan 07, 2018 4:19 pm

BTW, Manitou Springs was replaced by an ASC E-Class
Owner of a few small sirens and some other siren odds and ends

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Chem_Boffin_6589
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Real Name: Alfie Woolard
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Re: Calhan, Colorado Siren (Federal Signal 550AT)

Sun Jan 07, 2018 4:21 pm

Just when I thought this long dead thread bumpung sensation was over...
Alfie Woolard
Federal Signal MC know-it-all.
Installed, initiated and maintains school campus warning system.
https://www.youtube.com/channel/UCtGVVz ... 8BQ47VmdHg

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