I was out in Coopersville today for their first friday of the month noon test.
the town has a STL-10, a yellow Thunderbeam, and a 2001.
STL-10 is on City hall, RSH-10 is at the High school, and the 2001 is 3 blocks south of city hall
http://www.youtube.com/watch?v=Efzku6D1JiQ
And here are the pic's I took of each siren.