Navigation & Timekeeping · Projected milestone

Centimetre positioning everywhere

Estimated year~2062

49% by 2067 · including earlier years

The year is an editorial timing estimate. The percentage applies to occurrence by the stated deadline. These estimates are not calibrated odds.

Any device, from mines to the deep ocean, knows its position to a centimetre by blending quantum, radio and satellite signals.

What the forecast means

Milestone stage: milestone (legacy definition)

Completion criteria: Legacy milestone: refine the observable threshold before resolving.

This page describes a forecast, rather than an achieved result. Read the methodology and assumptions.

No connections of this kind are recorded.

No individual source links are recorded for this milestone. Source coverage and review status vary across the atlas.

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.