Tuesday, March 8, 2005 at 3:06 PM I'll also note that originally stations could have either three or four letters in their call sign. For example, Chicago has WGN and WLS. Again, if those stations were sold, they'd have to give up those call signs and adopt new four letter ones. Here's a nifty link about the history of W/K and such. http://www.oldradio.com/archives/general/kwtrivia.htm —clodhopper | 
