It's safe to say that the model 2 is one of Federal's mainstays, being relatively unchanged since the days of the model 1 and 2, when the company was called Federal Electric.
Peterson AFB here in Colorado Springs, CO has Whelen 2800 series sirens, about 5-7 of them spread out over the base, that shares runways with municipal airport KCOS. I can hear three from my house, which lies about a mile north of the base. The three heard at my location are: 2@ 440Hz, and 1@ 465 Hz...
KRDO Channel 13 has a clip on the web: http://www.krdo.com/news/Manitou-Springs-unveils-new-alert-system/-/417220/17615876/-/hi67g6/-/index.html In my opinion, a standard 3 minute tone is far more effective than voice alerts, given the canon they are in. One mile in any direction, except east, is st...
I know there is one in Lockwood, NV I think the Sugar City siren is still in place, as this suggests: http://goo.gl/maps/TEPJl It points a different direction from the last time Google came through, so I'm betting it's in service. Contact Sugar City Hall @ 205 Colorado Ave, Sugar City, CO 81076 or ...
I'm getting ahold of Manitou Springs dept of Public works on Monday. Will post back then. There are 2 other 550s in service in Colorado. Calhan is unlikely to stop using theirs. It's in great mechanical and electrical condition.
Manitou Springs, CO has replaced their 1958 Federal Signal 550AT, with an ASC E*Class siren, in response to the Waldo Canyon Fire, and the need for a reliable outdoor warning siren. I viewed a news report on KRDO, showing the test live. Manitou tests at Fridays, 12pm in Hi-Lo with LIVE voice. The si...
They were Foster Engineering Co. (or similar) steam sirens; of which each city got 19 sirens for a system. I came across this on Wikipedia, whether it's verifiable or not is unknown to me.
http://www.examiner.com/article/denver-begins-upgrade-of-tornado-warning-siren-system?cid=rss In an effort to keep up with new technology and improve warnings to residents, the city of Denver began a much-needed upgrade of its outdoor warning sirens yesterday. The system will feature improved reliab...