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Lubbock, Texas
United States
BrandingKTTZ Channel 5
Texas Tech Public Media
SloganEducate. Engage. Inspire.
ChannelsDigital: 25 (UHF)
Virtual: 5 (PSIP)
OwnerTexas Tech University
First air dateOctober 16, 1962 (56 years ago) (1962-10-16)[1]
Call letters' meaningTexas Tech
Sister station(s)KTTZ-FM, KTXT-FM
Former callsignsKTXT-TV (1962–2012)
Former channel number(s)
  • Analog:
  • 5 (VHF, 1962–2009)
  • Digital:
  • 39 (UHF, 2009–2018)
Former affiliationsNET (1962–1970)
Transmitter power290 kW
Height202 m (663 ft)
Facility ID65355
Transmitter coordinates33°34′55″N 101°53′27″W / 33.58194°N 101.89083°W / 33.58194; -101.89083
Licensing authorityFCC
Public license informationProfile

KTTZ-TV, virtual channel 5 (UHF digital channel 25), is a Public Broadcasting Service (PBS) member television station licensed to Lubbock, Texas, United States. The station is owned by Texas Tech University. KTTZ-TV's studios are located at 17th Street and Indiana Avenue on the Texas Tech campus, adjacent to its transmitter tower.

KTTZ-TV, along with sister radio stations KTTZ-FM (89.1 MHz) and KTXT-FM (88.1 MHz), operate under the umbrella branding of Texas Tech Public Media. In the past, KTTZ-TV/KTXT-TV has operated under the alternate branding of Lubbock Public Television and South Plains Public Television.

History and facilities[edit]

KTTZ-TV is an open-circuit non-commercial educational television station licensed by the Federal Communications Commission. It began broadcasting on October 16, 1962.[1] As of March 2017, it is the fourth-oldest PBS station in Texas[citation needed] (behind KUHT, KERA, and KLRN) and the oldest PBS station headquartered in West Texas.[citation needed] It was West Texas' only PBS member station until 1978. Outside of El Paso, it was the only PBS station in any portion of West Texas (that is, north of Interstate 20) until subsequent stations were established in 1986 and in 1988.

The station's former analog channel 5 was added to the FCC table of allotments in 1952 as a commercial channel. Plains Broadcasting Company received a construction permit for channel 5 in 1953. The station planned to locate on then-rural land at 74th Street and College Avenue (now University Avenue).[citation needed] That site is today used for KLBK-TV (channel 13) and virtual sister station KAMC (channel 28).

KTXT-TV signed on from a converted building (the former Agriculture Pavilion) and a 452-foot (138 m) tower located at the new studios. The station installed a six-bay RCA antenna, used dual 1-5/8" feed lines, and a 500 watt RCA TT-500BL transmitter for an ERP of about 2,500 watts visual. In 1966, a grant bought the station a TT-6EL transmitter which raised power to 25,700 watts. In 1982–83 the station received a donated 817-foot (249 m) tower (former KAMR-TV Amarillo tower) and 12 bay antenna. This allowed the station to raise power to 60,600 watts visual. A Harris transmitter was installed in 1984 and the station converted to BTSC (stereo TV audio) operation.

KTXT has broadcast solely digitally since 4:30 p.m. on February 5, 2009. The Channel 5 analog transmitter had failed less than two weeks before the scheduled end of analog broadcasting, and the cost of repair (approximately $25,000) could not be justified.[2]

On January 15, 2012, KTXT-TV changed its call letters to KTTZ-TV.

Digital television[edit]

Digital channels[edit]

The station's digital signal is multiplexed:

Channel Video Aspect PSIP Short Name Programming[3]
5.1 1080i 16:9 KTTZ-HD Main KTTZ-TV programming / PBS
5.2 480i 4:3 KTTZ-DT Create
5.3 KTTZ-D2 PBS Kids

Analog-to-digital conversion[edit]

KTTZ-TV (as KTXT-TV) shut down its analog signal, over VHF channel 5, at 4:30 p.m. on February 5, 2009, four months before most full-power television stations in the United States transitioned from analog to digital broadcasts under federal mandate on June 12. The station's digital signal remained on its pre-transition UHF channel 39.[4] Through the use of PSIP, digital television receivers display the station's virtual channel as its former VHF analog channel 5.



See also[edit]


  1. ^ a b Texas Tech University Archives- Departmental and Campus Records
  2. ^ Nett, Walt (February 10, 2009). "Are you ready for the DTV switch?". The Lubbock Avalanche-Journal. Archived from the original on February 14, 2009. Retrieved January 31, 2019 – via lubbockonline.com.
  3. ^ "KTTZ". rabbitears.info. RabbitEars.
  4. ^ "DTV Tentative Channel Designations for the First and the Second Rounds" (PDF). FCC. Archived from the original (PDF) on August 29, 2013. Retrieved March 24, 2012.

External links[edit]