Published online by Cambridge University Press: 24 October 2008
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.
† 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.