Hal Kneller's Heartland Media signed-off Country "106.9 The Bull" WZZS Zolfo Springs, FL on Wednesday following the closing of its sale to Tomas Martinez and Mercedes Soler’s Solmart Media. WZZS's website features a slideshow tribute to its 18 year run with the Country format under Kneller's ownership. Solmart purchased WZZS and sister Regional Mexican "La