WDIV-TV Channel 4 Detroit


Slogan: Local 4

Web site: www.clickondetroit.com

E-mail: visit web site


Power/Height: 872,000 watts / 1004 feet, directional
- Service Area

Digital Channel: 45; PSIP maps to Ch. 4

More web sites about WDIV-TV:

More technical/engineering details:

Call Sign History:

  • WDIV-TV: 7/27/1978
  • WWJ-TV: 5/15/1947
  • WWDT: 10/23/1946

Call Sign Origin: Detroit IV = Roman numeral 4 (Channel 4)

Network Affiliation History:

  • 3/31/1948: NBC

On Air Date: March 4, 1947
Note: On air for one day before this, Oct. 23, 1946

Owner: Post-Newsweek

Telephone: (313) 222-0444


  • 8/2010: License to cover granted for post-transition digital facilities.
  • 6/2009: Construction permit granted to change effective radiated power from 973,000 watts @ 922 feet to 872,000 watts @ 1004 feet. The station is operating with temporary authority of 540,000 watts @ 840 feet.
  • 6/12/2009: Regular programming on analog channel 4 ends as the station moves to digital-only regular broadcasts on Channel 45. Through the use of PSIP, digital television receivers display WDIV's virtual channel as 4.
  • 8/2007: The FCC's final digital channel assignment report shows that WDIV will be using Channel 45 once the conversion to all-digital broadcasts is completed on February 17, 2009.
  • 6/23/2000: Web site relaunched, without live webcasting
  • 5/14/1999: License for digital facilities granted
  • 3/1/1999, 3:00pm: First digital programming aired
  • 2/1999: Live webcasts of news programs now include 5:30am, noon, 5:00pm, 6:00pm, and 11:00pm.
  • 10/30/1998: Live webcasts of Noon newscasts begin.
  • 4/1995: First TV station in Michigan with web site.
  • 7/1989: First TV station in Detroit with closed-captioned newscasts
  • 1988: First doppler weather radar in Detroit is launched.
  • 1985: First TV station in Michigan to broadcast in stereo.
  • 5/1978: WWJ-TV is purchased by Post-Newsweek and becomes WDIV in July. In 1978, the FCC was considering new regulations which would have imposed limits on ownership of newspaper and television media in the same market. In anticipation of this, the Evening News Association, which still owned the Detroit News along WWJ AM, WWJ-FM, and WWJ-TV, and the Washington Post who owned WTOP-AM-FM-TV in Washington DC swapped television stations in order to meet the requirements of the pending legislation which never came to pass.
  • 11/22/1954: Dedication of 1,000 foot tower in Southfield
  • 1/1/1954: First color television broadcast in Michigan
  • 3/31/1948: Station joins NBC
  • 10/19/1947: First Red Wings game telecast in Detroit
  • 9/27/1947: First college football game telecast in Detroit- Michigan 55 vs. Michigan St. 0. Michigan went on to the national title.
  • 9/5/1947: First Lions game telecast in Detroit? (Note, the season didn't begin until 9/21. The Lions played on 10/5 in Boston, first home game that year was on 10/12. It's not likely that an away game was telecast.)
  • 6/3/1947: Power increases to 5,000 watts and regular programming is schedule established, 2:30-9pm Tuesday-Sunday. First telecasted Tigers game in Detroit on this day also, called by Ty Tyson. Tigers lose to Yankees 3-0, Spec Shea was the winning pitcher while Hal Newhouser took the loss.
  • 5/31/1947: First televised newscast in Michigan is broadcast, read by Ken Manuel. It's estimated that about 2,500 television receivers were in operation in the Detroit area by this time.
  • 5/15/1947: WWDT becomes WWJ-TV to match the Evening News Association's other broadcasting property, WWJ AM.
  • 3/4/1947: Regular programming begins- station owned Evening News Association (Detroit News). 1st TV station in Michigan, 6th in the USA. Power is 500 watts.
  • 10/23/1946: WWDT broadcasts day of demonstration programming becoming the first Michigan television station to broadcast.

Transmitter location:

Oakland County, along I-696, near Greenfield and 11 Mile Rds (Southfield)


Old logo gallery:












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