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 in the United Kingdom a new generation of pirate radio stations emerge. In London, stations such as Kool FM were joined by Rude, Dream FM, Flex FM, Deja Vu, London Underground, Freek, and most notably Rinse FM. There are currently an estimated 150 pirate radio stations in the UK. A large proportion of these pirate radio stations operate in London, with significant clusters in Harlesden, Crystal Palace, Stoke Newington, Southwark and Lambeth. Set-up costs for pirate radio stations are minimal with a transmitter generally built by the engineer of the station. In days gone by these were powered by car batteries, but when the