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BBC Test Card Club
Rare photos of BBC Trade Test Transmissions and Identification Symbols from Keith Hamer's Collection. Includes pages on DX-TV. (infos)Testcard View
Dutch DX-er's site, with famous testcards received by atmospherics in the Netherlands. (infos)
Test Card Circle
Learn about the history of British "Testcard" music played during television closedown periods. (infos)
Bergstam, Thomas
Provides photographs of test cards from television. (infos)