WPLK-AM 800 signed on the air on February 14, 1947 as WWPF (now WIYD) with 1,000 watts daytime only. The original format was MOR. In 1957, WWPF-AM 800 moved frequency to its current dial position of 1260khz with 1,000 watts day and 500 watts night. On May 1, 1957 the 800khz frequency returned to the air under the call letters WSUZ.. The WSUZ tower was erected in East Palatka, just across the Saint Johns river at the corner of Highway 100 and old Saint Augustine Road. The original WSUZ format was C&W (known as Country and Western). After a series of station ownership changes, the call letters switched to WPLK (originally the WPLK call letters were assigned to WZOT-AM 1220 Rockmart, Georgia) on July 13th, 1990, followed by a few MOR format adjustments until the format eventually became “Music of Your Life” which it continues to program throughout Palatka and Putnam County.