| 11. | CME impacts, strong geomagnetic storms and auroras were registered from September 9 onwards.
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| 12. | It is not well understood, but geomagnetic storms may vary with Earth's seasons.
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| 13. | There were few other immediate reports of damage related to the geomagnetic storm.
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| 14. | A geomagnetic storm has three phases : initial, main and recovery.
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| 15. | :I'm not quite sure if this Geomagnetic storm is what you are asking.
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| 16. | Skywave propagation is usually degraded sometimes seriously during geomagnetic storms.
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| 17. | Geomagnetic storms often disable expensive satellites by triggering phantom commands in their fragile electronics.
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| 18. | This geomagnetic storm caused a radio blackout over North America.
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| 19. | Foremost among these concerns was the possibility of a geomagnetic storm of solar origin.
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| 20. | Earth itself is largely protected from the solar wind by aurora and geomagnetic storms.
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