Abstract
THE latitude distribution of f0F2 characteristically exhibits an anomalous equatorial trough which we shall refer to as the Appleton anomaly1,2, although there is evidence3 that earlier workers were aware of the dip angle dependence of Mmax reported by Appleton. Results are available showing the variation of N with dip below the peak4,5, and more recently satellite results have been reported for the topside electron density6.
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KENDALL, P., WINDLE, D. Combined Effects of Drift and Diffusion in the F2 Region. Nature 203, 287–288 (1964). https://doi.org/10.1038/203287a0
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DOI: https://doi.org/10.1038/203287a0
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