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← ScienceWhich increased risk occurs to GNSS satellite orbital calibrations when approaching extreme gravitational curvature?
A)Accumulation of phase estimation errors✓
B)Complete clock signal synchronization loss
C)Increased signal propagation uncertainty
D)Catastrophic hardware malfunction likelihood
💡 Explanation
Accumulation of phase estimation errors arises from differential time dilation influencing signal synchronizations, resulting from spacetime curvature; because of this, phase-locked loops can fall out of calibration; therefore leading to timing integration errors rather than outright failure, because the receiver still functions.
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