In 1978, WTBN, which began operations on March 12, 1966, as WFSO,  was acquired by International Broadcasters, Inc. and the new owners boosted the power to 1,000 watts, around the clock.
This station began operations on March 12, 1966 as WFSO, a daytime-only station, broadcasting at 500 watts. In 1978, it was acquired by International Broadcasters, Inc. and became Tampa Bay's first full-time news/talk station as WPLP. The new owners, in addition to changing the format and call sign, also boosted the power to 1,000 watts, around the clock. 
