Entercom Communications flipped 104.3 WAXY-FM Miramar/Miami, FL from Sports "The Ticket" to Alternative "104.3 The Shark" at 11:00am today. The new Alternative format is debuting with 5000 songs commercial-free. John O'Connell, who most recently PD at CBS' defunct Sports "98.7 The Fan" WHFS-FM Tampa and previously programmed Alternative "103.1 the Buzz" WPBZ West Palm Beach,