 In late 1977 WCKO changed its brand to K-102 and switched to an automated disco format.In 1979 K-102 changed formats again, to a tight rotation of album-oriented rock hits with DJs Buddy Hollis, Bo Walker, Alan Michaels, Tom Stevens and Geoff Allen.By late 1980 K-102's audience share in South Florida had begun to rise, Zeta-4 (now WZTU) had slipped to the number three rock station in the market and was about to switch to a top 40/CHR format since WMJX 96X was losing its FCC license.