WRGT-TV (channel 45) is a television station in Dayton, Ohio, United States, affiliated with the digital multicast network Dabl.

The two stations share studios on Corporate Place in Miamisburg; WRGT-TV's transmitter is located off South Gettysburg Avenue in southwest Dayton.

Prior to its sign on, the only source of non-network programming in Dayton was WTJC (channel 26, now WBDT) a mostly religious station.

However, WXIX-TV and WIII-TV (now WSTR-TV), both in Cincinnati, and WTTE in Columbus all reached portions of the Dayton market, and WTTV in Indianapolis was available on cable.

Meridian persuaded WTJC's owner, Miami Valley Christian Television, to sell most of that station's non-religious programming to WRGT-TV.

It would not have any real competition in Dayton until 1999 when WBDT became a primary WB affiliate (it was a brief O&O of the Pax TV network before then).

Also, the Federal Communications Commission (FCC) does not allow common ownership of two of the four highest-rated stations in a single market.

[citation needed] Until the early 2021 move of the Fox 45 programming to a subchannel of sister station WKEF, WRGT-TV was also considered an alternate ABC affiliate, airing that network's programs when WKEF was unable to do so such as during a breaking news emergency or local special.

Around November 11, 2010, Sinclair announced that when carriage agreements expired at the end of the year, it planned to pull all of its owned and/or operated TV stations in the United States, including WRGT-TV and WKEF, from Time Warner Cable, in a dispute over "retransmission fees".

[8][9] On December 31, Time Warner reached an agreement with an out-of-market station, presumably Cincinnati's WXIX-TV, to provide Fox network programming at least through the end of February.

Sinclair expected to spend $5 million on renovations to its new facility, making it fully digital and high definition.

A similar move of the Fox affiliation from Port Arthur, Texas-licensed KBTV-TV, which it operates, to a subchannel of Sinclair-owned KFDM, licensed to Beaumont, Texas occurred, as station management there explained that the Fox schedule would air on both channels in a transition period ending on February 1.

In the February 2006 sweeps period, the station's 10 o'clock news was the fastest growing local broadcast in the Dayton market, on certain nights, sometimes winning the time slot.

Until 2007, there was direct 10 o'clock news competition from WHIO-TV's Time Warner Cable-only Miami Valley Channel.

[26] In August 2008, WKEF began producing a 6:30 p.m. newscast for WRGT-TV, airing on weeknights against the national news broadcasts on the "Big Three" stations.