The radio programming in Trinidad and Tobago caters to a diverse ethnic demographic. The genesis of radio broadcasting in Trinidad and Tobago began in 1925 with British Rediffiusion via a wired relay network. During World War II, the US Armed Forces Radio Service network – WVDI began broadcasting in May 1943 from Fort Reid, Chaguaramas. At that time, WVDI mainly serviced the armed forces throughout the Caribbean. The stations below cover both the AM and FM broadcast bands. Where possible, nicknames of stations have been given alongside the frequencies.