Every satellite in the GPS constellation carries atomic clocks, and before launch those clocks are d...
SCIENCE
May 25, 2026
Every GPS satellite is launched with a clock deliberately set to run slow, because Einstein's relativity speeds it up by about 38 microseconds a day once in orbit — and without that built-in correction, your phone's location would drift by roughly ten kilometres a d
Every satellite in the GPS constellation carries atomic clocks, and before launch those clocks are deliberately set to tick at the wrong rate.
Every satellite in the GPS constellation carries atomic clocks, and before launch those clocks are deliberately set to tick at the wrong rate.
Author: Space Daily
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