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- Ionosphere (19365 bytes)
1: ...practical importance because it influences [[high-frequency]] (HF) (3–30[[MHz]]) [[radio propaga...
6: ...d to as the ionosphere. In a plasma, the negative free electrons and the positive ions are attracted t...
8: ...[[recombination]] begins to take place in which a free electron is "captured" by a positive ion if it ...
10: ...t. The local winter [[hemisphere]] is tipped away from the Sun, thus there is less received solar radi...
14: ... e profile.gif|right|thumb|350px|Electron density from solar ionization during the day and night durin...
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