Radio 390 was a light music pirate radio station located on Red Sands Fort in the Thames Estuary 3 miles from Whitstable Kent UK. Transmissions ceased not long after this date to the British Marine Offences coming into force on August 14th 1967. The other reason was after a long drawn out court battle it was decided that the forts were inside British territorial waters due the re writing of such ruleshttps://images.app.goo.gl/aCMxpQ4HQH6jmeqM6