Here's the thing with ATI. Based on their history, they don't have much credibility as large-scale siren systems. They have been more successful in military, factory, and college campus situations. In these places, the need for continual tones is less and voice is more useful. I've noticed ATI has p...

Found a Whelen in Yanush.

https://www.google.com/maps/@34.7084901 ... 312!8i6656

What is this one? May have been discussed before. Reynolds, North Dakota.

How about this WPS-2910 in Braman, Oklahoma?

https://www.google.com/maps/@36.92703,- ... 312!8i6656

I have a few questions about the sirens in Bemidji, Minnesota. I was looking at storm footage and came across video on the east side of Lake Bemidji with really low pitched EOWS* 612s. Does anyone know if these are that way on purpose, or if their tone cards are going bad? They sound awesome and men...

I bet that was the reason for switching to the more compact 612. The 812 was absolutely monstrous for a siren. I'm guessing the initial design was used so that two 408s stacked for easier manufacturing, versus a 612 using a 408 plus a separate two-horn segment. Maybe?

Yep, they're in the current lineup.

http://www.alertnotification.net/produc ... ries-siren

Uhh the Whelens go back to the home position after a signal, I thought. I've never seen a Tulsa Whelen face a different position before.

Welcome to the board! Never seen a control setup quite like this. Very cool. Hopefully we can identify them for ya!