WLTR (91.3 MHz) is a noncommercial public FM radio station in Columbia, South Carolina, United States.
WLTR broadcast with an effective radiated power (ERP) of 100,000 watts, the maximum allowed for non-grandfathered FM stations.
Over time, additional non-commercial FM stations were added to the network around the state, operated jointly with South Carolina Educational Television (SCETV).
By the end of the 1990s, many non-commercial NPR stations nationwide began phasing out music programming from their schedules and focusing on news, talk and information formats.
Stations WRJA-FM in Sumter, WJWJ-FM in Beaufort and WHMC-FM in Conway started broadcasting all NPR and local news and information programming.