| Information | |
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| has gloss | eng: Test Card J is a test card, an image used to determine the quality of a broadcast television picture. It is an updated version of Test Card F, which was created by BBC engineer George Hersee, and is used to test analogue television signals. It first appeared in November 1999. |
| lexicalization | eng: Test Card J |
| instance of | c/BBC test cards |
| Media | |
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| media:img | Testcard J.jpg |
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