 The station received Special Temporary Authority (STA) on April 22, 2001 to broadcast at reduced power.KTMF elected to remain on channel 23 following the completion of the digital television transition.KTMF shut down its analog signal, over UHF channel 23, on February 17, 2009, the original target date in which full-power television stations in the United States were to transition from analog to digital broadcasts under federal mandate (which was later pushed back to June 12, 2009).