Abstract
THIS communication is concerned with the anomalous behaviour of the F2 layer in the following two respects : (1) the ‘geomagnetic anomaly’ pointed out by Appleton ; (2) an unexpected diurnal asymmetry.
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References
Thomas, J. O., Haselgrove, J., and Robbins, A. R., Tables of Ionospheric Electron Density, Slough (Ser. B, No. 1 ; 1957).
Croom, S. A., Robbins, A. R., and Thomas, J. O., Tables of Ionospheric Electron Density, Watheroo, Maui, Huancayo (Ser. B, Nos. 2, 3, 4 ; 1959).
Schmerling, E. R., Tables of Ionospheric Electron Densities, Penn. State University, U.S.A. (1957–58).
King, G. A. M., Ionospheric Electron Densities for Christchurch, 1958 (private communication).
Appleton, E. V., J. Atm. Terr. Phys., 1, 106 (1950).
Appleton, E. V., J. Atm. Terr. Phys., 5, 349 (1954).
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CROOM, S., ROBBINS, A. & THOMAS, J. Two Anomalies in the Behaviour of the F2 Layer of the Ionosphere. Nature 184, 2003–2004 (1959). https://doi.org/10.1038/1842003a0
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DOI: https://doi.org/10.1038/1842003a0
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