Test Card F is a test card that was created by the BBC and used on television in the United Kingdom and in countries elsewhere in the world for more than four decades.
The card was developed by a BBC engineer, George Hersee (1924–2001), father of the girl in the central image.
It was frequently broadcast during downtime on BBC1 until that channel went fully 24 hours in November 1997, and on BBC Two until its downtime was replaced entirely by Pages from Ceefax in 1998, after which it was only seen during engineering work, and was last seen in this role in 1999. It was also seen on Sveriges Television in an unknown time period.
"I think my father would also be surprised that the BBC have decided to use it again," she said.
"But I think he would be quite proud of the fact that something he'd done so long ago has been brought back.
Now 57, Carole is an accomplished theatrical costume designer, and gave a radio interview in 2011 explaining how she came to be known as the infamous Test Card Girl."My father was helping to design the colour test card and took some photographs at home of my sister and I to give them some ideas of how they could use it," she recalled."And the committee decided in the end that they would use a child in order to get facial colours for the television. "Of the shoot, which also involved her sister Gillian, she added: "I think I got irritable, apparently.