The test card puts in an unscheduled appearance on Sportsday Pub: 18th January 2023 by The Clean Feed Team
Test card and tone – a window into the bleak world of the 70s Pub: 28th February 2021 by Andrew Nairn
1982 BBC business programme provides useful insights into the launch of Channel 4 Pub: 8th February 2021 by Andrew Nairn
