With a Top 40 heritage that dates back to 1959 via its AM sister all under the management of Dittman Broadcasting, the demise of 97.5 WABB-FM Mobile has hit the radio industry hard. With alumni as varied as WPLJ’s Scott Shannon, WABC-TV meteorologist Bill Evans, Cumulus VP/Programming Mike McVay, and former WNNX Atlanta and WRXP …