Channel 10 signed on as WPST-TV, as the second ABC affiliate in the Miami market; it was originally owned by Public Service Television, Inc., the broadcasting subsidiary of National Airlines. The station took ABC programming from WITV (channel 17, later occupied by PBS member station WLRN-TV), which ceased operations shortly after losing the ABC affiliation.
National Airlines was stripped of its license to operate WPST-TV after being revealed that a Miami attorney named Thurman A. Whiteside, working on behalf of National Airlines, had bribed the former commissioner to obtain the WPST broadcast license.
After the FCC revoked National Airlines' license, a group headed by Cincinnati-area broadcaster L.B. Wilson was awarded a construction permit to build a new television station on channel 10. As part of an FCC-supervised deal, National Airlines sold WPST's non-license assets to Wilson's group, while the FCC awarded a full license to Wilson. WPST signed off for the last time on November 19, 1961. The next day on November 20, channel 10 returned to the air as WLBW-TV (named after the owner's initials). Although it operates under a separate license, what is now WPLG claims the National Airlines station's history as its own.
On March 16, 1970, the station's call letters were changed to the current WPLG—the calls were chosen in honor of Philip L. Graham, husband of Washington Post publisher Katharine Graham, who committed suicide in 1963.
This "sunset 10" has been used by the station since 1982, with exception of a brief period of 1997 to 1999.
The "sunset 10" was briefly abandoned in favor of this "shadow 10".
Station ID (1997-1999)
On March 12, 2014, Graham Holdings announced that it would sell WPLG to the BH Media subsidiary of Berkshire Hathaway in a cash and stock deal. Berkshire Hathaway and its chairman, Warren Buffett, had been longtime stockholders in Graham Holdings; the sale of WPLG included a large majority of Berkshire Hathaway's shares in Graham Holdings. To maintain continuity following the consummation of the purchase, BH Media entered into agreements with Post-Newsweek Stations (renamed Graham Media Group in July 2014) to continue providing the station with access to its centralized digital media, design, and traffic services after the sale's completion. The sale was finalized on June 30.
First version of the Local 10 logo
Variant without the ABC logo
Version that reads "WPLG" on the bottom
Alternate monochrome version on Hulu's Live TV Local Channel section