Wikipedia
WCKV-LD
WCKV-LD is a low-powered television station licensed to and serving Clarksville, Tennessee. It broadcasts on UHF digital channel 30, but through the use of PSIP, over-the-air receivers display it as virtual channel 21. It is carried on local cable system CDE Lightband on channel 12, and Clarksville-area Charter Cable systems on channel 6. The station is an affiliate of The Walk TV network.