Observing the Solar Wind with Interplanetary Scintillation

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Scintillation Index - “g-level” Plot courtesy P.K. Manoharan After Coles, 1978 ● ● Scintillation index is basic measure of the amount of scintillation: ● g-level is index normalised for distance: Can be related to solar wind density. Peak at certain distance: ● ● “Strong” scattering closer to the Sun; “Weak” scattering further away. Distance of peak depends on observing frequency'.
Cross-Correlation Cross-correlation function of time series from two stations shows peak at time-lag. First estimate of solar wind speed.
Page 1 and 2: Observing the Solar Wind with Inter
Page 3: Radio Measurements Line of sight to
Page 7 and 8: Longer Baselines If longer baseline
Page 9 and 10: Tomography ● Many observations ta
Page 11 and 12: Tomography Co-rotating analysis Com
Page 13 and 14: Why EISCAT? ● ● ● ● Observi
Page 15 and 16: Radio Source Tracking ● ● ●
Page 17 and 18: Filter Settings Power Central Filte
Page 19 and 20: Median Sampling ● ● Data usuall
Page 21 and 22: 1420MHz System
Page 23: Summary ● EISCAT used for observi

Observing the Solar Wind with Interplanetary Scintillation

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