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THE VIDEO SHELF · spacecraft flight software

How We Diagnosed and Fixed the 2023 Voyager 1 Anomaly from 15 Billion Miles Away

JPL's David Cummings presents at the 2025 Flight Software Workshop how the team diagnosed and fixed the 2023 Voyager 1 anomaly from billions of miles away. It walks through the flight computer and the memory fix.

Why HN readers recommended it

Commenters recommend it for the remarkable remote reverse engineering done on decades-old hardware with no simulator.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Flight Software Workshop
Topic
spacecraft flight software
Format
talk
Level
advanced
HN recommenders in dataset
2
HN mentions in dataset
3
Recommendation years in dataset
2026–2026

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • A slight tangent here is a technical deep dive on Voyager 1 fixing a memory corruption error in 2023 by hand 15 billion miles away. Blows my mind of the reverse engineering done to achieve this [VIDEO]

    wanderingmind on Hacker News · 2026-08
    In NASA to keep its 48-year-old Voyager 2 probe running for yet another year
  • Here's a talk about how the Voyager team fixed the flight data computer on Voyager 1 when a memory chip went bad on it a few years ago. It goes over how the flight computer works and he walks through a few assembly routines. [VIDEO] …

    ndiddy on Hacker News · 2026-04
    In NASA Shuts Off Instrument on Voyager 1 to Keep Spacecraft Operating

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.