I pick apart the March 2010 numbers and compare them to how the stations were performing a year ago. Biggest gainer was WABE-FM by a wide margin. Biggest loser is probably Kiss 104.1 though WSB-AM isn't far behind.
http://blogs.ajc.com/radio-tv-talk/...-dave-have-a-great-march-in-arbitron-ratings/
http://blogs.ajc.com/radio-tv-talk/...-dave-have-a-great-march-in-arbitron-ratings/