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[Ionosphere] Need to understand collision frequency in E layer

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Jan29-14, 01:33 AM
P: 56
Hi all,

I am trying to understand about collision frequency that happened in ionosphere layer. In D region, below 90 km [Wait and Spies 1964] the ionospheric electron-neutral collision frequency given as

v(h) = 1.816x10e11 exp(-0.15h)

I just wondering, to who ever really expert in this area, is it for E-region (the area between 90-120km altitude), the same equation can be used to measure collision frequency? as I know, the collision rate is different for different height.

thank you in advance.
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