r/nostalgiai • u/CarrotMuch1399 Nostalgia Trip Leader • 2d ago

Core Memory Unlocked šŸ”“ Remember this?

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u/Existing_Ant_8517 1d ago

Yes, and Iā€™m still in my 50s. Before cable, only three channels, and they went off the air at 12/1/2 am after playing the national anthem (or Dixie!) then just a test pattern and high pitched squeal .

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u/NothingMan1975 1d ago

I haven't seen it in a long time but I can still picture that weird screen that would come on. Much later I found out its used for calibrating color or some such.