All Things Radio Podcast 49 for March 04, 2010. posted on March 4, 2010In podcast 49 Jeff Bennet has the latest news from the world of radio. Jenny Sparks has the latest format and call-letter changes. Radio information. Bill Sparks has another market scope. This week we feature Grand rapids Michigan. WLAW WTNR WFGR WOOD Listen to All Things Radio Podcast 49 for March 4, 2010.