Abstract
Now that measurements of upper-atmospheric ionisation can be made, using methods of radio exploration, it is of interest to see whether abnormal values of ionisation density are associated with periods of magnetic activity. We have conducted such an inquiry using the measurements of ionisation density in Region F2 of the ionosphere made at the Radio Research Station, Slough, together with the daily magnetic character figures from the Abinger Observatory supplied to us by the Astronomer Royal.
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References
Appleton, Phys. Rev., 47, 89; 1935. Appleton and Naismith, Proc. Roy. Soc., A, 150, 685; 1935.
Schafer and Goodall, Proc. Inst. Rad. Eng., 23, 670; 1935.
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APPLETON, E., INGRAM, L. Magnetic Storms and Upper-Atmospheric Ionisation. Nature 136, 548–549 (1935). https://doi.org/10.1038/136548b0
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DOI: https://doi.org/10.1038/136548b0
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