 Radio London later regularly advertised this position on air as 51° 47.09" N, 01° 20.55" E.

She started broadcasting as Radio London, an offshore commercial station, on 23 December 1964, gaining an estimated 8.8 million listeners aged over 18 in the United Kingdom by 1966.She continued to broadcast until 14 August 1967 when the British Government enacted legislation prohibiting British nationals from working for the station or supplying it.Radio Caroline, operating from two ships at separate locations, was the only offshore station to defy the ban.