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 of offshore radio stations that actually operated on anchored ships or marine platforms. The term had been used previously in Britain and the US to describe unlicensed land-based broadcasters and even border blasters (for example, a 1940 British comedy about an unauthorized TV broadcaster, "Band Waggon", uses the phrase "pirate station" several times). A good example of this kind of activity was Radio Luxembourg located in the Grand Duchy of Luxembourg. The English language evening broadcasts from Radio Luxembourg were beamed by Luxembourg-licensed transmitters. The audience in the United Kingdom originally listened to their radio sets by permission of a