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A comment on Ask HN: Think GPS like system but local. Parent comment

Re:Ask HN: Think GPS like system but local by iamdumbman on Wednesday November 21, 2018 @09:40AM (#18502963)
I am not taking about GPS.

I need GPS like system with satellite confined in a room capable of resolution within 1mm error.

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Re:Ask HN: Think GPS like system but local by choot on Wednesday November 21, 2018 @09:50AM (#18503047)
I think there are several systems like LIDAR with less a millisecond error.
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