WTDK (107.1 FM, "The Duck") is a radio station licensed to serve Federalsburg, Maryland. The station is owned by the Draper Holdings Business Trust, as part of a cluster with CBS/Fox affiliate WBOC-TV (channel 16), NBC affiliate WRDE-LD (channel 31), Telemundo affiliate WBOC-LD (channel 42), and sister radio stations WCEM-FM, WBOC-FM, WCEM, WAAI, and WRDE-FM. It airs a classic hits music format. The station was assigned the WTDK call letters by the Federal Communications Commission on July 31, 1995.