How We Diagnosed and Fixed the 2023 Voyager 1 Anomaly from 15 Billion Miles Away (www.youtube.com) (via).
David Cummings (JPL) presents how they did it in this video. Incredible longevity from 1970s technology. Imagine trying to debug something, where you send a command and then wait 45 hours to see the result. 😅
The only human-made objects that are in interstellar space. Technology that's been going for 47 1/2 years at this point.
Fun facts: The programming language? A custom assembly language for the processor used in question. They don't have the source code, they do have the intermediary output, in a Word doc that was OCR'd in, so it has a lot of typos!