Abstract
IN a recent paper, Appleton and Builder1 mention a striking fact that on certain occasions, when the ionosphere is being surveyed by the ‘pulse’ method, there is a reversal in the times of arrival of the two magneto-ionic components into which the upgoing ray is split. They attribute this to differential group retardation, and it occurred to me a short time ago that this effect might throw some further light on a suggestion I have made previously2, namely, that the whole intermediate space between the E and F layers is ionised to a value very little less than that of the top of the E layer.
Similar content being viewed by others
Article PDF
References
Proc. Phys. Soc., 45, 208.
J. Inst. Elect. Eng., 72, No. 435, March 1933.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
HOLLINGWORTH, J. Structure of the Ionosphere. Nature 134, 462 (1934). https://doi.org/10.1038/134462a0
Issue Date:
DOI: https://doi.org/10.1038/134462a0
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.