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Which timing error arises on GPS satellites because of relativistic effects?

A)Atomic clock signal blueshift
B)Doppler frequency shift amplification
C)Gravitational time dilation increase
D)Signal propagation speed slowdown

💡 Explanation

Gravitational fields curve spacetime, so stronger gravity near Earth causes gravitational time dilation. Clocks on satellites run faster because satellites experience weaker gravity; therefore, uncorrected data would accumulate errors, rather than result from altered signal speed.

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