Offshore radio acquired the yacht Ceto and installed radio equipment. Unfortunately, the apparatus could not operate properly overboard, the signal being heavily affected by the climate conditions. The transmitter was then replaced by Siemens loudspeakers and the Ceto toured England "broadcasting" gramophone records interspersed by advertising. Unauthorized offshore broadcasting stations operating from ships or fixed platforms in the coastal waters of the Northern Sea first appeared in 1958. There were as many as eleven such stations in the mid-1960s. One of the most popular offshore radio broadcasts in Europe came from Radio Caroline, which developed out both of the strict broadcasting regulations
Pirate radio These were "Free radio", which usually referred to secret and unlicensed land-based transmissions. These were also tagged as being pirate radio transmissions. Free Radio was used only to refer to radio transmissions that were beyond government control, as was offshore radio in the UK and Europe. The term "free radio" was adopted by the Free Radio Association of listeners who defended the rights of the offshore "radio stations" broadcasting from ships and marine structures off the coastline of the United Kingdom. Félix Guattari points out: In Europe, in addition to adopting the term "free radio", supportive listeners of what had