Originally signed on the air on September 15, 1962 at 4pm as WOKR (for "We're OKRochester"), a primary ABC affiliate on VHF channel 13, and was owned by Channel 13 of Rochester, Inc., was composed of the Flower City Television Corporation, the Rochester Educational Television Association, the Genesee Valley Television Company, Star TV, Inc., Community Broadcasting, Inc., Heritage Radio and Television Broadcasting Company, Main Broadcasting Company, Federal Broadcasting Systems, Citizens Television Corporation, Rochester Broadcasting, Inc., and Rochester Telecasters, Inc., all of whom were equal shareholders until March 1970, when Flower City bought out its partners.
1964–1969
1969–1976
1976–1979
Flower City sold the station to Post Corporation, a media conglomerate based in the Fox Cities region of Wisconsin in 1977.
1979-1982
"Still the One!"
1982–1993
1982–1986
WOKR 13 News 24 Newsroom bumper (1985)
George N. Gillett Jr. purchased the Post Corporation stations in 1984 transferring it into Gillett Holdings, Inc.
1986–1993
"Together" ID (1986–1987)
WOKR-TV sports bumper (1987)
NewsCenter 13 Update bumper (1987)
"America's Watching" (1990)
WOKR-TV's NewsSource 13 "First at Five" promo (1991)
Hughes Broadcasting Partners (Paul Hughes and Veronis, Suhler & Associates) purchased the station in 1991. Hughes then sold WOKR to Portland, Maine–based Guy Gannett Communications in 1995, who later sold channel 13 to the Hunt Valley, Maryland–based Sinclair Broadcast Group (owner of Fox affiliate WUHF) in 1998. Since they already owned WUHF, they spun channel 13 off to The Ackerley Group in April 1999.
2001–2005
News identity package
WHAM-TV
2005–2010
WHAM-TV Clear Channel bumper from 2005
In January 2005, the call letters were changed from WOKR-TV to the current WHAM-TV, named after its radio station.
2010–present
The logo is based on what fellow affiliate WTVG in Toledo currently uses.
2010–2014
13 WHAM News morning open (2010–2014)
13WHAM News evening open (2010–2014)
13WHAM News generic open (2010–2014)
On-screen bug #1 (2010-2014)
On-screen bug #2 (2010–2012)
On-screen bug #1 (2012–2014)
On-screen bug #2 (2012–2014)
In September 2010, WHAM-TV began broadcasting its local newscasts in high definition.
1Owned by Tennessee Broadcasting and operated by Sinclair under an outsourcing agreement. 2Nominally owned by Cunningham Broadcasting and operated by Sinclair under an LMA. However, trusts belonging to members of Sinclair's founding Smith family control almost all of Cunningham's stock. 3Operated by Nexstar Media Group under an LMA. 4Owned by Second Generation of Iowa, Ltd. and operated by Sinclair under a LMA. 5Owned by Manhan Media and managed by Sinclair. 6Owned by Howard Stirk Holdings, operated by Sinclair under an LMA. 7Owned by Mercury Broadcasting Company and operated by Sinclair. 8Owned by Deerfield Media and operated by Sinclair under an LMA. 9Owned by Roberts Media, but operated by Sinclair. 10Owned by Mitts Telecasting and operated by Sinclair. 11Owned by GOCOM Media and operated by Sinclair. 12Owned by Waitt Broadcasting, but operated by Sinclair under an SSA. 13Owned by Granite Broadcasting Corporation and operated by Sinclair through a JSA and SSA. 14Owned by New Age Media and operated by Sinclair under an MSA. 15Owned by MPS Media, but operated by New Age Media under an LMA. 16Owned by Diamond Sports Group, a joint venture of Sinclair and Entertainment Studios. 17Co-owned with Yankee Global Enterprises, The Blackstone Group, Amazon, RedBird Capital and Mubadala Investment Company. 18Co-owned with Chicago Cubs. 19Owned by Sinclair and operated by Jukin Media. 20Owned by Palm Television, L.P. and operated by Cunningham Broadcasting under an LMA.