NTSC TV Test Pattern

[k9builder]

I remember when I would see this at the end of the broadcast day. I can't believe that I now live in an age where few even seem to remember these.

[8bityoshi]

anyone else find it funny that one of these test things was spongebob's secret channel in the episode about patrick's secret box?

[jjlwis]

good description on the side bar!

thanks for putting up the bars...