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Which risk increases when a GPS satellite approaches end-of-life, due to relativistic effects?

A)Cryptographic key sequence vulnerability
B)Oscillator frequency drift inaccuracy
C)Antenna signal distortion instability
D)Solar panel radiation damage overload

💡 Explanation

Increased oscillator drift arises because gravitational time dilation (a spacetime curvature effect) causes accumulated clock error; therefore, accuracy decreases, rather than being vulnerable to cryptography issues; solar panel damage is distinct, and the beam shape changes less significantly.

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