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Behaviour of the F1-region, and Esand spread-F phenomena at European middle latitudes, particularly under geomagnetic storm conditions
F1-region,Esand spread-F tesla
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2015/9/14
Knowledge of the ionospheric electron density distribution and its fluctuations is essential for predicting ionospheric characteristics for radio wave propagation and for other applications such as
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May 4, 1998 Storm: Observations of Energetic Ion Composition by POLAR
Tesla magnetic layer the equator radiation magnetic magnetic sheath high-energy particles the ion flux measurement
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2017/3/23
A major geomagnetic storm occurred at 5:00-12:05 UT on May 4, 1998. During this period, the magnetosphere was compressed and eroded; POLAR traveled in its outbound orbit from the equatorial radiation ...