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On the Diurnal Variation of Ultra-Short* Wave Wireless Transmission

Published online by Cambridge University Press:  24 October 2008

E. V. Appleton
E. V. Appleton
Affiliation:
St John's College
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Extract

An interpretation of ultra-short wave wireless phenomena is given which indicates that the maximum number of electrons per c.c. in the atmospheric ionized layer is of the order 105 to 106.

Type
Research Article
Information
Mathematical Proceedings of the Cambridge Philosophical Society , Volume 23 , Issue 2 , April 1926 , pp. 155 - 161
Copyright
Copyright © Cambridge Philosophical Society 1926

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References

† Taylor, , Proc. Inst. Rad. Eng. vol. 13 (12. 1925).Google Scholar

‡ Day-time transmission is here considered.

* Appleton, and Bamett, , Proc. Roy. Soc. A, vol. 109 (1925).CrossRefGoogle Scholar

* If the effective carriers were molecular ions, which is, however, unlikely, this number would be increased to 4 × 109 in the case of hydrogen and 3 × 109 in the case of nitrogen.