It airs an urban gospel radio format and is owned and operated by Church of God in Christ, Inc.
To avoid interference with other stations, KSTL greatly reduces power at night to 18 watts.
[3] KSTL's studios were formerly located on the historic Laclede's Landing in downtown Saint Louis.
KSTL originally played only music, with KJSL broadcasting live and recorded Christian talk and teaching programs.
KSTL expanded its format beyond Christian music and into teaching ministries in 1995, using its own separate studio.