Channel 4 is a British public-service television broadcaster which began working on 2 November 1982. Although largely commercially self-funded, it is ultimately publicly owned; originally a subsidiary of the Independent Broadcasting Authority (IBA), the station is now owned and operated by the Channel Four Television Corporation, a public body established in 1990, coming into operation in 1993. With the conversion of the Wenvoe transmitter in Wales to digital on 31 March 2010, Channel 4 became a UK-wide TV channel for the first time.
Channel 4 launched on 2 November 1982.
Channel 4 unveiled a new presentation package on 11 October 1996. Gone were the multi-coloured blocks, instead the familiar logo would be placed in one of four circles.
Channel 4 launched a new on-air look in 1999.
Channel 4’s current identity launched on 31st December 2004 and focuses on the 9 blocks of the Channel 4 logo forming the famous ‘4’ device in increasingly bizarre and unexpected ways.
Channel 4’s new presentation package launched on 29 September 2015 and was created by 4creative
T4 was a scheduling slot on Channel 4 (T4 Saturday usually 9 am until 2 pm) and E4 (T4 Sunday usually 9 am until 5 pm).