Iowa is a pioneer in educational broadcasting; it is home to two of the oldest educational radio broadcast stations in the world, the
University of Iowa's
WSUI and
Iowa State University's
WOI. The electrical engineering department at the State University of Iowa (SUI) in
Iowa City demonstrated television with an exhibit at the Iowa State Fair in Des Moines on August 28, 1931. J. L. Potter supervised the project. At the conclusion of the Iowa State Fair, the television experiment was set up in the communications laboratory of the electrical engineering building at the University of Iowa in Iowa City. By 1933, the University of Iowa received an FCC license for experimental TV station W9XK, later W9XUI, providing twice a week video programming, with WSUI radio providing the audio channel. By 1939, the FCC allocated TV channels 1 and 12 for W9XUI. This early attempt at educational broadcasting ended by December 1941, with the entrance of the United States into
World War II. The University of Iowa later applied for a construction permit for station WSUI-TV on channel 11 in February 1948. The
Federal Communications Commission (FCC) froze the granting of new television licenses, on September 30, 1948. The FCC, at the time, was swamped with hundreds of requests for licensing. It was creating a problem for allocation and causing interference issues. The FCC wanted time to study the issues and work towards a better overall solution. The freeze, originally set to last just six months, was extended when the Korean War began. Plus, the issues the FCC was trying to resolve were complicated and many. It ended up taking four years to end the freeze. The April 14, 1952, FCC "6th Report and Order" effectively lifted the freeze. The decisions had been made on all five dilemmas. In the end, a color standard was chosen, 242 channels were designated for educational non-commercial use, strict rules separated stations sharing channels, channel allocation was resolved with an assignment table, and the entire spectrum of UHF band channels was authorized for use. In 1951, the university supported the reallocation of channel 11 to
Des Moines for an educational television station there. Meanwhile,
Iowa State University's
WOI-TV in
Ames avoided the 1948 Freeze and began commercial broadcast operations in 1950 and carried some
National Educational Television programming.
Des Moines Public Schools applied for the channel 11 allocation and signed on KDPS-TV as the educational station for central Iowa in 1959. However, in the 1960s the only other areas of the state with a clear signal from an educational station were the southwest (from
Nebraska ETV's KYNE-TV in
Omaha), and the northwest (from
South Dakota ETV's KUSD-TV in
Vermillion). In 1969, the state of Iowa bought KDPS-TV from the Des Moines Public Schools and changed its calls to KDIN-TV, intending it to be the linchpin of a statewide educational television network. As part of the state's ambition, it rebranded KDIN as the Iowa Educational Broadcasting Network. The network's second station, KIIN-TV in Iowa City, joined IEBN in 1970 to expand statewide educational programming to eastern Iowa and northwestern
Illinois. Soon afterward, IEBN became a charter member of PBS. By 1977 the newly renamed Iowa Public Broadcasting Network had eight full-power stations. The Iowa Public Television name was adopted in 1982 and began on-air January 1, 1983. In 2003, it purchased KQCT-TV in Davenport, which repeated the programming of
Quad Cities PBS station
WQPT-TV in the Iowa side of the Quad Cities. The calls were changed to KQIN. IPTV was originally run by the state's General Services Department before
Governor Terry Branstad signed a bill creating Iowa Public Television as a separate state agency on May 16, 1983. In 1986, IPTV became part of the state's Cultural Affairs Department, and on July 1, 1992, IPTV became part of the Iowa Department of Education. Combined, the nine Iowa PBS stations reach almost all of Iowa and portions of the surrounding states of Illinois,
Minnesota,
Missouri,
Nebraska,
South Dakota, and
Wisconsin. On December 2, 2019, IPTV announced that it would rebrand as Iowa PBS in 2020, in alignment with PBS' new national brand identity. ==Stations==