High Quality Content by WIKIPEDIA articles! Radio London, also known as Big L and Wonderful Radio London, was a top 40 (in London`s case, the "Fab 40") offshore commercial station that operated from 16 December 1964 to 14 August 1967, from a ship anchored in the North Sea, three and a half miles off Frinton-on-Sea, Essex, England. The station, like the other offshore radio operators at the time, was dubbed a pirate radio station and its offices were located in the West End of London at 17 Curzon Street just off Park Lane.