How GPS Works, And How It Got Better Than The Designers Ever Imagined
Scott Manley3 HN recommenders · recommended in 3 months, 2023–2025
explainer · general · evergreen · 2023–2025 on HN
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.
Recommended as a solid history and explanation of GPS, especially when GPS outages or accuracy come up.
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3 comments from Hacker News
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 ▶ this video It's not as simple as you think.
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] ▶ this video
For a video form of this topic, Scott Manley did a review of how GPS actually performed better than initially designed: ▶ this video