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How GPS Works, And How It Got Better Than The Designers Ever Imagined

How GPS Works, And How It Got Better Than The Designers Ever Imagined

Scott Manley
3 HN recommenders · discussed 2023–2025
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About this video

Scott Manley covers how GPS works and how civilian accuracy went from a planned 100 meters to about one meter. He explains the technology and the removal of restrictions that made this possible.

Why it appears in the archive

Recommended as a solid history and explanation of GPS, especially when GPS outages or accuracy come up.

AI-generated summary and labels from the source dataset; verify important details against the video. Source & credits.

From the Hacker News discussion

rezonant · 2024-02 · strong rec

The sibling response here covers all of the points I would say. Scott Manley has a nice video covering the history of GPS and how it works, well worth a watch [VIDEO] It's not as simple as you think.

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franky47 · 2023-09 · rec

For a video form of this topic, Scott Manley did a review of how GPS actually performed better than initially designed: [VIDEO]

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nancyminusone · 2025-06 · rec

Don't mean to be rude, but your deep dives could be deeper. I clicked on 'How GPS works' expecting to see a certain Scott Manley video [0] there. Instead, it's 10 shorts I'd put firmly at the 'like n subscribe' end of the scale. Think I'll stick to my own curated list of creators for now. [0] [VIDEO]

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