The Retro Television Network (RTV) is a system of television stations that airs classic television shows as well as more recently produced programs. Owned by Luken Communications, LLC, the network airs mainly on stations' digital subchannels or low power television stations.
The network launched in 2005 under the RTN branding (which would be changed to RTV in June 2009 in a nod to the digital (DTV) switchover that occurred in June of that year

DTV transition in the United States

The DTV transition in the United States was the switchover from analog to exclusively digital broadcasting of free over-the-air television programming...

).