The original WGIV/1600 was shut down by CBS 3 to 4 years ago. On the same day, they activated their WFNX/1660, which simucasts their sportstalk WFNZ. Bottom line, there is really no use for the 1660 station at all, since WFNZ, the former Big WAYS on 610, has a very similar coverage area. Before it was shut down, WGIV/1600 was a black gospel station. It usually had between a 1 and 2 in the total Arbitron ratings, about the same as WFNZ. The crazy thing is, CBS could have continued to operate WGIV for another 5 years, according to FCC regs.
You probably know WGIV was the heritage R&B/Urban station in Charlotte, in operation since the late 40s. When FM became popular, particularly WPEG, in the 1980s, their audience started drifting away. They shifted to all gospel in the early 90s. Now, there is another black gospel AM, on 1370, which has taken the WGIV calls. I think they have movedfrom Gastonia to Pineville, just south of Charlotte.