Ysaac Alvarez officially takes over afternoons on Chicago's Spanish WNUA-FM "Mega" (95.5) starting December 6, says the Sun-Times ... Radio-Info confirms that the 10-year run for Mike "Mud" Kennedy has endd on Wilmington, North Carolina's WSFM-FM (98.3). He did mornings and held management posts. No replacemen named ... Charlotte's CBS Radio-owned WFNZ-AM "Sportsradio" (610) and host Mark Packer part ways after both sides could not agree on a new contract after more than 13 years together. Packer's own "Primetime With the Packman" is syndicated to stations in the Southeast ... Montgomery, Alabama's CHR WHHY-FM (101.9) PD Carey Edwards has resigned, and is expected to relocate ... Clear Channel has changed the call letters of Seattle's KFNK-FM to KSGX-FM (104.9), to represent the new 90s-based "Gen-X 104.9" ... Terry Ficorelli will host a hockey show called IceMen Live on Evansville, Indiana's WEOA-AM (1400), starting December 6.