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WTIU Logo.png
Bloomington/Indianapolis, Indiana
United States
CityBloomington, Indiana
TIU News (news briefs)
Slogan...More Than Just TV
ChannelsDigital: 33 (UHF)
Virtual: 30 (PSIP)
OwnerIndiana University
(The Trustees of Indiana University)
First air dateMarch 3, 1969 (50 years ago) (1969-03-03)
Call letters' meaningTelevision
Sister station(s)WFIU
Former channel number(s)
  • Analog:
  • 30 (UHF, 1969–2009)
  • Digital:
  • 14 (UHF, until 2019)
Former affiliationsNET (1969–1970)
Transmitter power797 kW
Height219 m (719 ft)
Facility ID66536
Transmitter coordinates39°8′31″N 86°29′42.9″W / 39.14194°N 86.495250°W / 39.14194; -86.495250
Licensing authorityFCC
Public license informationProfile

WTIU, virtual channel 30 (UHF digital channel 33), is a Public Broadcasting Service (PBS) member television station serving Indianapolis, Indiana, United States that is licensed to Bloomington. Owned by Indiana University, it is a sister station to National Public Radio (NPR) member WFIU (103.7 FM). The two stations share studios on the Indiana University campus on East 7th Street in Bloomington and transmitter facilities on Sare Road on the city's southeast side.

On cable, WTIU is available on Comcast Xfinity channel 5 in Bloomington in AT&T U-verse channel 30 in Indianapolis in standard definition, and in high definition on Xfinity digital channel 1022 in Bloomington and AT&T U-verse channel 1030 in Indianapolis.

The station also serves as the default PBS member station for the Terre Haute market, despite having WVUT (channel 22) in Vincennes from the Vincennes University. It is carried by most cable providers in west-central Indiana.

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Inside WTIU Master Control.
Inside WTIU Master Control.

In late 1968, after receiving support from the university's president Herman B. Wells, Indiana University applied for a license from the Federal Communications Commission (FCC) to operate a educational television station. The station first signed on the air on March 3, 1969 as a member station of National Educational Television (NET); the first program ever broadcast on WTIU was The Friendly Giant. WTIU became a member PBS when NET was reorganized on October 6, 1970.

Channel 30 originally maintained a skeletal staff of only three employees, and initially broadcast on Monday through Saturdays for five hours a day during the afternoon hours. As the station was unable to afford equipment to allow programming to be transmitted in color, much of the programming broadcast by WTIU was aired in black and white. Through PBS' Program Differentiation Plan, the network's programming was eventually divided between it and three other PBS members in the Indianapolis market – WFYI (channel 20), Muncie-based WIPB (channel 49) and by 1992, WTBU (channel 69, now Daystar owned-and-operated station WDTI).

Digital television

Digital channels

The station's digital signal is multiplexed:

Channel Video Aspect PSIP Short Name Programming[1]
30.1 720p 16:9 WTIU-HD Main WTIU programming / PBS
30.2 480i WTIU-D2 World ("TIU World")
30.3 WTIU-D3 Create ("TIU Create")
30.4 WTIU-D4 Echo ("TIU Echo")- two-day delays of PBS' signature series, plus same-day repeats of news shows [2]
30.5 WTIU-D5 PBS Kids ("TIU Kids")

In 2009, WTIU upgraded the station's primary digital channel to allow the transmission of programming in high definition, originally maintaining a schedule separate from that of WTIU's main channel. The station also launched a secondary service on digital subchannel 30.2, branded as "TIU-2," which primarily aired educational programming and college telecourses; the subchannel was converted into "TIU World," serving as an affiliate of PBS World in 2010. At the same time, WTIU added two additional subchannels, respectively carrying programming from the lifestyle and how-to service Create (branded as "TIU Create"), safety and emergency network Echo (branded as "TIU Echo") and the respectively carrying programming from the children's service PBS Kids (branded as "TIU Kids").

Analog-to-digital conversion

WTIU began operating its digital signal in 2007, broadcasting on UHF channel 14. WTIU shut down its analog signal, over UHF channel 30, on June 12, 2009, the official date in which full-power television in the United States transitioned from analog to digital broadcasts under federal mandate. The station's digital signal continued to broadcast on its pre-transition UHF channel 14.[3] Through the use of PSIP, digital television receivers display the station's virtual channel as its former UHF analog channel 30.


WTIU's flagship original production is the public and cultural affairs program The Weekly Special, in production since 2005. The Friday Zone, in production since 1999, is an award-winning children's program syndicated on seven PBS stations across Indiana. WTIU also regularly produces documentaries, typically focusing on local or regional topics. Documentary series produced by the station have included Our Town (which focus on a single community's culture and history) and The Spirit of Monroe County (which focuses on the people and places of interest in Monroe County). WTIU also produces news updates in the form of twice-daily five-minute NewsBreak segments as well as the half-hour weekly newsmagazine Indiana Newsdesk. In 1973, WTIU collaborated with the IU Opera Theater to produce a telecast of the opera Myshkin, which earned the station a Peabody Award.


  1. ^ RabbitEars TV Query for WTIU
  2. ^
  3. ^ "DTV Tentative Channel Designations for the First and the Second Rounds" (PDF). Archived from the original (PDF) on 2013-08-29. Retrieved 2012-03-24.

External links

This page was last edited on 19 October 2019, at 22:59
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