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Tag Archives: Pyramid News Scheme

Test patterns

At the end of the AM dial, at 3 am on PBS in 1989. Pyramid News Scheme is a back-broadcast run through multiple near-parallel (quasi-asymptotic) possibility circuits and difference engines. You get out here, in Shanghai, in 2011, say, and get in there, in St. Louis in, say, 1969. Or Berlin in 1990, or New York in […]