Offshore radio in England in the 1960s as well as the fact the major labels had left little to no airtime to less established acts. The Radio Caroline name was used to broadcast from international waters, using five different ships of three different owners, from 1964 to 1990. Radio Caroline was the brainchild of Ronan O'Rahilly, who dreamed up a way to air music by "unestablished" rock and roll artists Other well-known stations of the period were Radio Atlanta, Radio London, Radio 270 (broadcasting of the coast of Filey, Yorkshire) Radio 390, Radio Scotland, Radio Northsea International and Radio City. Most offshore
Pirate radio wireless license issued by the British General Post Office (GPO). However, under terms of that wireless licence, it was an offence under the Wireless Telegraphy Act to listen to "unauthorised" broadcasts, which possibly included those transmitted by Radio Luxembourg. Therefore, as far as the British authorities were concerned, Radio Luxembourg was a "pirate radio station" and British listeners to the station were breaking the law (although as the term 'unauthorised' was never properly defined it was somewhat of a legal grey area). This did not stop British newspapers from printing programme schedules for the station, or a British weekly magazine