Amazing that all this was designed *by hand* 60+ years ago! “A label on the back indicated that it is an “Up-Data Link Confidence Test Set”, built by Motorola. As the name suggests, the box was designed to test #Apollo’s Up-Data Link (#UDL), a system that allowed digital

Amazing that all this was designed *by hand* 60+ years ago!

“A label on the back indicated that it is an “Up-Data Link Confidence Test Set”, built by Motorola. As the name suggests, the box was designed to test #Apollo’s Up-Data Link (#UDL), a system that allowed digital

— Mɐɹɹǝu Wʎǝɹs (@warrenmyers)
Aug 8, 2025

from Twitter https://twitter.com/warrenmyers

August 08, 2025 at 08:50AM
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