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 in North America stations along the border is limited by a U.S.-Mexican agreement. However, because these stations are licensed by the government of Mexico, they can only be classified as "pirate radio stations" in the same way that the British government classified Radio Luxembourg as a "pirate radio station". Radio Luxembourg was a licensed station broadcasting with a power and on a frequency that the British authorities objected to, because the intended audience for its programs were located within the United Kingdom. The objection by the government of the United Kingdom to commercial broadcasts from Luxembourg, France and other countries, was primarily based