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by denton-scratch
1775 days ago
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GPS time is no use for far in the future (TAI is OK). Imagine someone 2,000 years in the future, discovering an archive containing exact GPS timestamps for events. There is no reason to suppose that our present GPS system will still exist - so these timestamps won't be much use to them, since they won't know what the present time (their present) is in terms of GPS. The timestamps in the archive will no longer be precise, as far as they're concerned. |
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