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E3C08:Which of the following is the space-weather term for an extreme geomagnetic storm?

E3C08E3C

Which of the following is the space-weather term for an extreme geomagnetic storm?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E3C08 is G5.

The key fact is G5. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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