Recreations of different color test pattern designs used from the 1960's to the 1980's. The tones heard are at -12 dB and appear as follows: 1050 Hz, 440 Hz, 732 Hz, 1 kHz, 450 Hz, 930 Hz, 425 Hz, 394.5 Hz and 960 Hz. TV station logos and/or station info not included in any of the patterns. (NOTE: In high-quality mode, the colors may register differently on Netscape, Firefox and Flock browsers.)