sentences:  The station's digital channel is multiplexed
  KTFD-TV shut down its analog signal, over UHF channel 14, on June 12, 2009, the official date in which full-power television in the United State transitioned from analog to digital broadcasts under federal mandate.The station's digital signal remained on its pre-transition UHF channel 15.Through the use of PSIP, digital television receivers display the station's virtual channel as its former UHF analog channel 14.