Because it was granted an original construction permit after the FCC finalized the DTV allotment plan on April 21, 1997,Final Digital TV (DTV) Channel Plan from FCC97-115 , Doug Lung's RF Technology Page May 28, 1997 the station did not receive a companion channel for its digital signal. Instead, at the end of the digital conversion period for full-power television stations, KTAZ was required to turn off its analog signal and turn on its digital signal (called a "flash-cut"). The station's digital signal went into operation on its former analog-era UHF channel 39 on June 12, 2009, the official date in which full-power television stations in the United States transitioned from analog to digital broadcasts under federal mandate.
