Privacy

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submitted 5 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 5 months ago (1 children)

3 satellites for 2 dimensional space, 4 satellites gives you height as well (3 dimensional).

your wristwatch gives you your fourth dimension ;-)

[–] [email protected] 1 points 5 months ago (1 children)

GPS satelites are just fancy atomic wirstwatches hanging on Earth orbit

[–] [email protected] 0 points 5 months ago (1 children)

heh, this is true, but don't they still only give you a 3 dimensional location?

[–] [email protected] 0 points 5 months ago

but don't they still only give you a 3 dimensional location?

I'm trying to understand your question. They broadcast both their orbit parameters and their time.