There are some systems out there that use Whelen's Air Horn tone for all clear, etc. What I want to know is, is the tone modulated on-site, or is it prerecorded?
Also, is there a way where I could recreate that sound? :think:
Though here in Cincinnati, there are a few sirens located on church property, some being on top of a building. IIRC, wasn't there a church up there where the pastor purposefully knocked over one of the new T-128s because they didn't like how close the siren was to the church? I've gotta hear this s...