Cox Media Group. Technical information Subchannels The station's digital signal is multiplexed: Analog-to-digital conversion KMPX shut down its analog signal, over UHF channel 29, on June 12, 2009, as part of the federally mandated transition from analog to digital television. The station's digital signal remained on its pre-transition UHF channel 30, using PSIP to display KMPX's virtual channel as 29 on digital television receivers. References External links DFW Radio/TV History KMPX Television channels and stations established in 1993 1993 establishments in Texas Estrella TV affiliates Twist (TV network) affiliates Tegna Inc. KMPX Wise County, Texas