sentences:  As its last gasp, WIST tried Top 40 again in the early 1980s before signing off the air.In 1983, the station was purchased by George H. Buck, who at that time owned WHVN, which operated daytime-only at 1310 kHz.Originally, 1310 had been WKTC, Charlotte's first country station, before adopting a Christian format in 1971.