I have that as my desktop background now.

that's exactly what I was thinking of.

that thing looks like what they have on the public works department vehicles here in Urbandale IA

Daniel wrote:Like this?

replace that non rotational siren with another rotational, then you'd have what I'm thinking of, each facing opisite of eachother

that nearly blew out my eardrums (listening on a pair of Sony MDR-V250 stereo monitor headphones)

not a dog, a cat.

What does she do? Are you close to the siren? Is it an electronic siren? If so, could it have an inaudible high frequency to which she reacts? Well, for one thing I think the city should use Her as the siren, she sounds just like them, I live near 3 different types of sirens, a federal 3t22, thunde...

I don't know if this can be done or not, but is it possible to have two sirens on one pole, like a giant pitchfork? I think you've seen streetlamps where they have two lamps on the same pole but can they apply that design to sirens, or would that be unstable?

Weird, one of my 2 cats reacts when a siren test happens, She is a blue point siamese.

"This is Carl Childers......mmmmm......I works on sirens and what not....mmmm....some people call them outdoor warning systems, I call 'em tornady sirens.....emmmm.......tested that thar siren.....didnt come on......it aint go no gas in it......better send a bucket truck, and a hearse.....emmm...